From c7537d5478993232ae6ba90754bc9db70fd7dc84 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Fri, 26 Jan 2024 00:26:32 -0800 Subject: [PATCH 01/11] Create Rounding the Cube.md --- tutorials/Rounding the Cube.md | 179 +++++++++++++++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 tutorials/Rounding the Cube.md diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md new file mode 100644 index 0000000..2035bcf --- /dev/null +++ b/tutorials/Rounding the Cube.md @@ -0,0 +1,179 @@ +# Rounding the Cube + +One of the shape primitives you'll use most often in your OpenSCAD creations is the cube. Rounding the edges of cube-like objects impacts both the visual appeal and functional aspects of the final product. The BOSL2 library provides a variety of methods for rounding edges and corners. + +There are four different 3d shape primitives that you can use to make cube-like objects: + +* [**cuboid()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) - Creates a cube with chamfering and roundovers. + +* [**cube()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-cube) - An extended version of OpenSCAD's cube() with anchors for attaching children. (See the [Attachments Tutorial](https://github.com/BelfrySCAD/BOSL2/wiki/Tutorial-Attachments)). + +* [**prismoid()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) - Creates a rectangular prismoid shape with optional roundovers and chamfering. + +* [**rounded_prism()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) - Makes a rounded 3d object by connecting two polygons with the same vertex count. Rounded_prism supports continuous curvature rounding. (See [Types of Roundovers](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#section-types-of-roundovers)). + + +BOSL2 provides two different methods for rounding the edges of the cube-like primitives above. + +* **Built-in Rounding** - Cuboid, prismoid, and rounded_prism all have built-in arguments for rounding some or all of their edges. + +* **Masking** - BOSL2 includes a number of options for masking the edges and corners of objects. + + + + + + + +## Cuboid Rounding + +You can round the edges of a cuboid() with the `rounding=` argument by specifying the radius of curvature: + +```openscad-3D +include +cuboid([100,80,60], rounding=20); +``` +If you want to round selected edges you can specify which edges using combinations of the named directions **LEFT, RIGHT, TOP, BOT, FWD, BACK**. See [specifying edges](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#subsection-specifying-edges) for more details. + +![](https://github.com/BelfrySCAD/BOSL2/wiki/images/attachments/subsection-specifying-edges_fig1.png) + +You can round just the top edges: + +```openscad-3D +include +cuboid([100,80,60], rounding=20, edges = TOP); +``` +...or just the bottom edges. Here we're using the *teardrop* parameter to limit the overhang angle to enable 3d printing without supports: + +```openscad-3D +include +cuboid([100,80,60], rounding=20, teardrop = 45, edges = BOTTOM); +``` + +We can round only the edges aligned with one of the axes, X, Y, or Z: + +```openscad-3D +include +cuboid([100,80,60], rounding=20, edges = "Z"); +``` + + +It is possible to round one or more of the edges while leaving others unrounded: + +```openscad-3D +include +cuboid([100,80,60], rounding=20, edges = TOP+FRONT); +``` + +...or exclude the rounding of one or more edges while rounding all the others: + +```openscad-3D +include +cuboid([100,80,60], rounding=20, except = TOP+FRONT); +``` + +There is support for filleting edges using negative rounding values: + +```openscad-3D +include +cuboid([100,80,60], rounding=-20, edges = BOTTOM); +``` + +Chamfering the edges of the cuboid() can be done in a similar fashion: + +```openscad-3D +include +cuboid([100,80,60], chamfer=20); +``` +You can specify edges as with the cuboid(): + +```openscad-3D +include +cuboid([100,80,60], chamfer=20, edges = "Z"); +``` + +##Prismoid Rounding + +The prismoid() differs from the cuboid and cube in that you can only round or chamfer the vertical(ish) edges using the built-in parameters. For those edges, you can specify rounding and/or chamferring for top and bottom separately: + +```openscad-3D +include +prismoid(size1=[35,50], size2=[20,30], h=20, rounding1 = 8, rounding2 = 1); +``` + +You can also specify rounding of the vertical(ish) edges on an edge by edge basis by listing the edges in counter-clockwise order starting with the BACK+RIGHT (X+Y+) edge: + +```openscad-3D +include +prismoid(100, 80, rounding1=[0,50,0,50], rounding2=[40,0,40,0], h=50); +``` + + + +##Masking Edges of the Cuboid, Cube and Prismoid +###2D Edge Masking with [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) + +One limitation of using rounding arguments in [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) is that all the rounded edges must have the same rounding radius. Using masking we have the flexibility to apply different edge treatments to the same cube. Masking can also be used on the [cube()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-cube) and [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) shapes. + +2D edge masks are attached to edges using [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile). They have a default tag of "remove" to enable differencing them away from your cube using [diff()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-diff). + +We can use a negative rounding value to fillet the bottom of a cuboid and [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) to round the top. Here edge_profile() applies a 2d roundover mask to the top edges of the cuboid. + +```openscad-3D +include +diff() + cuboid([50,60,70], rounding = -10, edges = BOT) + edge_profile(TOP) + mask2d_roundover(r=10); +``` + +See [mask2d_roundover()](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_roundover) for additional mask parameters. Here we use the *inset* parameter in mask2d_roundover: + +```openscad-3D +include +diff() + cube([50,60,70],center=true) + edge_profile(TOP, except=[BACK,TOP+LEFT]) + mask2d_roundover(h=12, inset=4); +``` + +In addition to the simple roundover mask, there are masks for [cove](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_cove), [chamfer](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_chamfer), [rabbet](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_rabbet), [dovetail](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_dovetail), [teardrop](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_teardrop) and [ogee](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_ogee) edges. + +The mask2d_ogee() only works on cube() and cuboid() shapes, or a prismoid() where size2 >= size1 in both the X and Y dimensions. + +```openscad-3d +include +diff() + prismoid(size1 = [50,50],size2 = [80,80], rounding1 = 25, height = 80) + edge_profile(TOP) + mask2d_ogee([ + "xstep",8, "ystep",5, // Starting shoulder. + "fillet",5, "round",5, // S-curve. + "ystep",3, "xstep",3 // Ending shoulder. + ]); +``` + +You can use edge-profile() to round the top or bottom of a prismoid(). Because the side faces of a prismoid() are not strictly vertical, it's is necessary to increase the length of the masks using the *excess* parameter in edge_profile(). + +```openscad-3D +include +diff() + prismoid(size1=[35,50], size2=[30,30], h=20, rounding1 = 8, rounding2 = 0) + edge_profile([TOP+LEFT, TOP+RIGHT], excess = 5) + mask2d_roundover(r = 15, mask_angle = $edge_angle); +``` + +###3D Edge and Corner Masking + +BOSL2 contains a number of 3d edge and corner masks in addition to the 2d edge profiles shown above. + +The 3d edge masks have the advantage of being able to vary the rounding radius along the edge. 3d edge masks can be attached using [edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask). They have a default tag of "remove" to enable differencing them away from your cube using [diff()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-diff). + + +```openscad-3D +include +diff() + cuboid(80) + edge_mask(TOP+FWD) + rounding_edge_mask(r1 = 40, r2 = 0, l = 80); +``` \ No newline at end of file From 25d4fb525c4526fc1ea5e51969f095cf631ba246 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sat, 27 Jan 2024 14:34:56 -0800 Subject: [PATCH 02/11] Rounded Prism Examples --- .openscad_mdimggen_rc | 2 +- .openscad_mdimggen_rc Dist | 6 ++ tutorials/Rounding the Cube.md | 138 ++++++++++++++++++++++++++++----- 3 files changed, 127 insertions(+), 19 deletions(-) create mode 100644 .openscad_mdimggen_rc Dist diff --git a/.openscad_mdimggen_rc b/.openscad_mdimggen_rc index 89dbdc9..2bc6408 100644 --- a/.openscad_mdimggen_rc +++ b/.openscad_mdimggen_rc @@ -1,4 +1,4 @@ -docs_dir: "BOSL2.wiki" +docs_dir: "/Users/RAM/Desktop/BOSL2.wiki" image_root: "images/tutorials" file_prefix: "Tutorial-" source_files: "tutorials/*.md" diff --git a/.openscad_mdimggen_rc Dist b/.openscad_mdimggen_rc Dist new file mode 100644 index 0000000..89dbdc9 --- /dev/null +++ b/.openscad_mdimggen_rc Dist @@ -0,0 +1,6 @@ +docs_dir: "BOSL2.wiki" +image_root: "images/tutorials" +file_prefix: "Tutorial-" +source_files: "tutorials/*.md" +png_animations: true + diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index 2035bcf..35af0d7 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -1,6 +1,6 @@ # Rounding the Cube -One of the shape primitives you'll use most often in your OpenSCAD creations is the cube. Rounding the edges of cube-like objects impacts both the visual appeal and functional aspects of the final product. The BOSL2 library provides a variety of methods for rounding edges and corners. +One of the shape primitives you'll use most often in your OpenSCAD designs is the cube. Rounding the edges of cube-like objects impacts both the visual appeal and functional aspects of the final product. The BOSL2 library provides a variety of methods for rounding edges and corners. There are four different 3d shape primitives that you can use to make cube-like objects: @@ -17,12 +17,7 @@ BOSL2 provides two different methods for rounding the edges of the cube-like pri * **Built-in Rounding** - Cuboid, prismoid, and rounded_prism all have built-in arguments for rounding some or all of their edges. -* **Masking** - BOSL2 includes a number of options for masking the edges and corners of objects. - - - - - +* **Masking** - BOSL2 includes a number of options for masking the edges and corners of objects. Masking can accomplish rounding tasks that are not possible with the built-in rounding arguments. ## Cuboid Rounding @@ -31,8 +26,9 @@ You can round the edges of a cuboid() with the `rounding=` argument by specifyin ```openscad-3D include -cuboid([100,80,60], rounding=20); +cuboid(100, rounding=20); ``` + If you want to round selected edges you can specify which edges using combinations of the named directions **LEFT, RIGHT, TOP, BOT, FWD, BACK**. See [specifying edges](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#subsection-specifying-edges) for more details. ![](https://github.com/BelfrySCAD/BOSL2/wiki/images/attachments/subsection-specifying-edges_fig1.png) @@ -43,6 +39,7 @@ You can round just the top edges: include cuboid([100,80,60], rounding=20, edges = TOP); ``` + ...or just the bottom edges. Here we're using the *teardrop* parameter to limit the overhang angle to enable 3d printing without supports: ```openscad-3D @@ -72,7 +69,7 @@ include cuboid([100,80,60], rounding=20, except = TOP+FRONT); ``` -There is support for filleting edges using negative rounding values: +You can fillet edges by using negative rounding values: ```openscad-3D include @@ -85,23 +82,24 @@ Chamfering the edges of the cuboid() can be done in a similar fashion: include cuboid([100,80,60], chamfer=20); ``` -You can specify edges as with the cuboid(): + +You can specify edges as with rounding. ```openscad-3D include -cuboid([100,80,60], chamfer=20, edges = "Z"); +cuboid([100,80,60], chamfer=20, edges = "Z", except = FWD+RIGHT); ``` ##Prismoid Rounding -The prismoid() differs from the cuboid and cube in that you can only round or chamfer the vertical(ish) edges using the built-in parameters. For those edges, you can specify rounding and/or chamferring for top and bottom separately: +The [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) differs from the cuboid and cube in that you can only round or chamfer the vertical(ish) edges using the built-in parameters. For those edges, you can specify rounding and/or chamferring for top and bottom separately: ```openscad-3D include prismoid(size1=[35,50], size2=[20,30], h=20, rounding1 = 8, rounding2 = 1); ``` -You can also specify rounding of the vertical(ish) edges on an edge by edge basis by listing the edges in counter-clockwise order starting with the BACK+RIGHT (X+Y+) edge: +You can also specify rounding of the individual vertical(ish) edges on an edge by edge basis by listing the edges in counter-clockwise order starting with the BACK+RIGHT (X+Y+) edge: ```openscad-3D include @@ -109,7 +107,6 @@ prismoid(100, 80, rounding1=[0,50,0,50], rounding2=[40,0,40,0], h=50); ``` - ##Masking Edges of the Cuboid, Cube and Prismoid ###2D Edge Masking with [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) @@ -139,7 +136,7 @@ diff() In addition to the simple roundover mask, there are masks for [cove](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_cove), [chamfer](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_chamfer), [rabbet](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_rabbet), [dovetail](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_dovetail), [teardrop](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_teardrop) and [ogee](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_ogee) edges. -The mask2d_ogee() only works on cube() and cuboid() shapes, or a prismoid() where size2 >= size1 in both the X and Y dimensions. +The mask2d_ogee() only works on cube() and cuboid() shapes, or a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) where size2 >= size1 in both the X and Y dimensions. ```openscad-3d include @@ -153,7 +150,7 @@ diff() ]); ``` -You can use edge-profile() to round the top or bottom of a prismoid(). Because the side faces of a prismoid() are not strictly vertical, it's is necessary to increase the length of the masks using the *excess* parameter in edge_profile(). +You can use edge-profile() to round the top or bottom of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid). Because the side faces of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) are not strictly vertical, it's is necessary to increase the length of the masks using the *excess* parameter in edge_profile(), and in mask2d\_roundover to set the mask\_angle to $edge\_angle. ```openscad-3D include @@ -167,7 +164,7 @@ diff() BOSL2 contains a number of 3d edge and corner masks in addition to the 2d edge profiles shown above. -The 3d edge masks have the advantage of being able to vary the rounding radius along the edge. 3d edge masks can be attached using [edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask). They have a default tag of "remove" to enable differencing them away from your cube using [diff()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-diff). +The 3d edge masks have the advantage of being able to vary the rounding radius along the edge. 3d edge masks, such as[ rounding\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-rounding_edge_mask), can be attached using [edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask). The 3D edge masks have a default tag of "remove" to enable differencing them away from your cube using [diff()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-diff). ```openscad-3D @@ -176,4 +173,109 @@ diff() cuboid(80) edge_mask(TOP+FWD) rounding_edge_mask(r1 = 40, r2 = 0, l = 80); -``` \ No newline at end of file +``` + +While you can specify the length of the mask with the l argument, [edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) sets a special variable, `$parent_size`, to the size of the parent object. In either case the parent is not a perfect cube, you need to mask each edge individually: + +```openscad-3D +include +diff() + cuboid([60,80,40]) { + edge_mask(TOP+FWD) + rounding_edge_mask(r = 10, l = $parent_size.x); + edge_mask(TOP+RIGHT) + rounding_edge_mask(r = 10, l = $parent_size.y); + edge_mask(RIGHT+FWD) + rounding_edge_mask(r = 10, l = $parent_size.z); + } +``` + +As you can see above, using only [rounding\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-rounding_edge_mask) to round the top of the cube leaves the corners unrounded. Use [corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-corner_mask) and [rounding\_corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-rounding_corner_mask) for a smoother corner. + +```openscad-3D +include +diff() + cuboid([60,80,40]) { + edge_mask(TOP+FWD) + rounding_edge_mask(r = 10, l = $parent_size.x); + edge_mask(TOP+RIGHT) + rounding_edge_mask(r = 10, l = $parent_size.y); + edge_mask(RIGHT+FWD) + rounding_edge_mask(r = 10, l = $parent_size.z); + corner_mask(TOP+RIGHT+FWD) + rounding_corner_mask(r = 10); + } + +``` + +As with the built-in rounding arguments, you can use [edge\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) and [corner\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-corner_mask) to apply teardrop roundings using [teardrop\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_edge_mask) and [teardrop\_corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_corner_mask) to limit the overhang angle for better printing on FDM printers. + +```openscad-3D +include +diff() + cuboid([60,80,40]) { + edge_mask(TOP+FWD) + teardrop_edge_mask(r = 10, l = $parent_size.x, angle = 40); + edge_mask(TOP+RIGHT) + teardrop_edge_mask(r = 10, l = $parent_size.y, angle = 40); + edge_mask(RIGHT+FWD) + teardrop_edge_mask(r = 10, l = $parent_size.z, angle = 40); + corner_mask(TOP+RIGHT+FWD) + teardrop_corner_mask(r = 10, angle = 40); + } + +``` +##Rounded Prism +You can construct cube-like objects, as well as a variety of other prisms using [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism). The unique feature of [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) is the ability to use continuous curvature rounding. Rather than using constant radius arcs, continuous curvature rounding uses 4th order Bezier curves. For complete details on how this works see [Types of Roundovers](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#section-types-of-roundovers). + +Two parameters control the roundover k and joint. The joint parameter is specified separately for the top, bottom and side edges; joint_top, joint_bot, and joint_sides. + +The k parameter ranges from 0 to 1 with a default of 0.5. Larger values give a more abrupt transition and smaller ones a more gradual transition. A k value of .93 approximates the circular roundover of other rounding methods. + + If you want a very smooth roundover, set the joint parameter as large as possible and then adjust the k value down as low as gives a sufficiently large roundover. + + +```openscad-3D +include +include +rounded_prism(rect(20), height=20, + joint_top=10, joint_bot=10, joint_sides=9.99, k = 0.5); +``` + +A large joint value and a very small k value: + +```openscad-3D +include +include +rounded_prism(rect(20), height=20, + joint_top=10, joint_bot=10, joint_sides=9.99, k = 0.01); +``` + +A k value of 0.3 + +```openscad-3D +include +include +rounded_prism(rect(20), height=20, + joint_top=10, joint_bot=10, joint_sides=9.99, k = 0.3); +``` + +A k value of 1: + +```openscad-3d +include +include +rounded_prism(rect(20), height=20, + joint_top=10, joint_bot=10, joint_sides=9.99, k = 1); +``` + +A k value of 0.93 approximates the circular roundover of other rounding methods: + +```openscad-3D +include +include +rounded_prism(rect(20), height=20, + joint_top=4, joint_bot=4, joint_sides=4, k = 0.93); +right(30) +cuboid(20, rounding = 4, $fn = 72); +``` From c35a462c22f0af9141bfb42343e6a22ef262be18 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sat, 27 Jan 2024 16:38:40 -0800 Subject: [PATCH 03/11] Update Rounding the Cube.md --- tutorials/Rounding the Cube.md | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index 35af0d7..e2b721a 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -22,7 +22,7 @@ BOSL2 provides two different methods for rounding the edges of the cube-like pri ## Cuboid Rounding -You can round the edges of a cuboid() with the `rounding=` argument by specifying the radius of curvature: +You can round the edges of a [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) with the `rounding=` argument by specifying the radius of curvature: ```openscad-3D include @@ -76,7 +76,7 @@ include cuboid([100,80,60], rounding=-20, edges = BOTTOM); ``` -Chamfering the edges of the cuboid() can be done in a similar fashion: +Chamfering the edges of the [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) can be done in a similar fashion: ```openscad-3D include @@ -114,7 +114,7 @@ One limitation of using rounding arguments in [cuboid()](https://github.com/Belf 2D edge masks are attached to edges using [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile). They have a default tag of "remove" to enable differencing them away from your cube using [diff()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-diff). -We can use a negative rounding value to fillet the bottom of a cuboid and [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) to round the top. Here edge_profile() applies a 2d roundover mask to the top edges of the cuboid. +We can use a negative rounding value to fillet the bottom of a cuboid and [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) to round the top. Here [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) applies a 2d roundover mask to the top edges of the cuboid. ```openscad-3D include @@ -150,7 +150,7 @@ diff() ]); ``` -You can use edge-profile() to round the top or bottom of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid). Because the side faces of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) are not strictly vertical, it's is necessary to increase the length of the masks using the *excess* parameter in edge_profile(), and in mask2d\_roundover to set the mask\_angle to $edge\_angle. +You can use [edge-profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) to round the top or bottom of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid). Because the side faces of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) are not strictly vertical, it is necessary to increase the length of the masks using the *excess* parameter in [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile), and to set the mask\_angle to $edge\_angle in [mask2d\_roundover()](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_roundover). ```openscad-3D include @@ -175,7 +175,7 @@ diff() rounding_edge_mask(r1 = 40, r2 = 0, l = 80); ``` -While you can specify the length of the mask with the l argument, [edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) sets a special variable, `$parent_size`, to the size of the parent object. In either case the parent is not a perfect cube, you need to mask each edge individually: +While you can specify the length of the mask with the l or h argument, [edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) sets a special variable, `$parent_size`, to the size of the parent object. In the case where the parent is not a perfect cube, you need to mask each edge individually: ```openscad-3D include @@ -226,9 +226,9 @@ diff() ``` ##Rounded Prism -You can construct cube-like objects, as well as a variety of other prisms using [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism). The unique feature of [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) is the ability to use continuous curvature rounding. Rather than using constant radius arcs, continuous curvature rounding uses 4th order Bezier curves. For complete details on how this works see [Types of Roundovers](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#section-types-of-roundovers). +You can construct cube-like objects, as well as a variety of other prisms using [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism). The unique feature of [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) is the ability to use continuous curvature rounding. Rather than using constant radius arcs, continuous curvature rounding uses 4th-order Bezier curves. For complete details on how this works see [Types of Roundovers](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#section-types-of-roundovers). -Two parameters control the roundover k and joint. The joint parameter is specified separately for the top, bottom and side edges; joint_top, joint_bot, and joint_sides. +Two parameters control the roundover, k and joint. The joint parameter is specified separately for the top, bottom and side edges using the arguments joint_top, joint_bot, and joint_sides. The k parameter ranges from 0 to 1 with a default of 0.5. Larger values give a more abrupt transition and smaller ones a more gradual transition. A k value of .93 approximates the circular roundover of other rounding methods. From 4338d4e2bad82f3bb14f97b6554a8304683d1f18 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sat, 27 Jan 2024 23:13:27 -0800 Subject: [PATCH 04/11] Cube Rounding Updates --- tutorials/Rounding the Cube.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index 35af0d7..d04663c 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -6,7 +6,7 @@ There are four different 3d shape primitives that you can use to make cube-like * [**cuboid()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) - Creates a cube with chamfering and roundovers. -* [**cube()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-cube) - An extended version of OpenSCAD's cube() with anchors for attaching children. (See the [Attachments Tutorial](https://github.com/BelfrySCAD/BOSL2/wiki/Tutorial-Attachments)). +* [**cube()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-cube) - An extended version of OpenSCAD's [cube()](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#cube) with anchors for attaching children. (See the [Attachments Tutorial](https://github.com/BelfrySCAD/BOSL2/wiki/Tutorial-Attachments)). * [**prismoid()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) - Creates a rectangular prismoid shape with optional roundovers and chamfering. From 2c105d76def18fed5768a28a4b6837c1267f2072 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sat, 27 Jan 2024 23:24:36 -0800 Subject: [PATCH 05/11] Link Updates --- tutorials/Rounding the Cube.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index d04663c..5669a35 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -15,14 +15,14 @@ There are four different 3d shape primitives that you can use to make cube-like BOSL2 provides two different methods for rounding the edges of the cube-like primitives above. -* **Built-in Rounding** - Cuboid, prismoid, and rounded_prism all have built-in arguments for rounding some or all of their edges. +* **Built-in Rounding** - [Cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid), [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid), and [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) all have built-in arguments for rounding some or all of their edges. * **Masking** - BOSL2 includes a number of options for masking the edges and corners of objects. Masking can accomplish rounding tasks that are not possible with the built-in rounding arguments. ## Cuboid Rounding -You can round the edges of a cuboid() with the `rounding=` argument by specifying the radius of curvature: +You can round the edges of a [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) with the `rounding=` argument by specifying the radius of curvature: ```openscad-3D include @@ -136,7 +136,7 @@ diff() In addition to the simple roundover mask, there are masks for [cove](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_cove), [chamfer](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_chamfer), [rabbet](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_rabbet), [dovetail](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_dovetail), [teardrop](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_teardrop) and [ogee](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_ogee) edges. -The mask2d_ogee() only works on cube() and cuboid() shapes, or a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) where size2 >= size1 in both the X and Y dimensions. +The mask2d_ogee() only works on [cube()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-cube) and [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) shapes, or a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) where size2 >= size1 in both the X and Y dimensions. ```openscad-3d include @@ -150,7 +150,7 @@ diff() ]); ``` -You can use edge-profile() to round the top or bottom of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid). Because the side faces of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) are not strictly vertical, it's is necessary to increase the length of the masks using the *excess* parameter in edge_profile(), and in mask2d\_roundover to set the mask\_angle to $edge\_angle. +You can use [edge-profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile) to round the top or bottom of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid). Because the side faces of a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) are not strictly vertical, it's is necessary to increase the length of the masks using the *excess* parameter in [edge_profile()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_profile), and to set the mask\_angle to $edge\_angle in [mask2d\_roundover()](https://github.com/BelfrySCAD/BOSL2/wiki/masks2d.scad#functionmodule-mask2d_roundover). ```openscad-3D include From bbebaec70720a86279b1e16f17d90634bd65e6aa Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sat, 27 Jan 2024 23:42:14 -0800 Subject: [PATCH 06/11] Update .openscad_mdimggen_rc --- .openscad_mdimggen_rc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.openscad_mdimggen_rc b/.openscad_mdimggen_rc index 2bc6408..89dbdc9 100644 --- a/.openscad_mdimggen_rc +++ b/.openscad_mdimggen_rc @@ -1,4 +1,4 @@ -docs_dir: "/Users/RAM/Desktop/BOSL2.wiki" +docs_dir: "BOSL2.wiki" image_root: "images/tutorials" file_prefix: "Tutorial-" source_files: "tutorials/*.md" From e2434c841a08aad9fe6bcc102ee9407d85068d03 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sun, 28 Jan 2024 12:37:00 -0800 Subject: [PATCH 07/11] Delete .openscad_mdimggen_rc Dist --- .openscad_mdimggen_rc Dist | 6 ------ 1 file changed, 6 deletions(-) delete mode 100644 .openscad_mdimggen_rc Dist diff --git a/.openscad_mdimggen_rc Dist b/.openscad_mdimggen_rc Dist deleted file mode 100644 index 89dbdc9..0000000 --- a/.openscad_mdimggen_rc Dist +++ /dev/null @@ -1,6 +0,0 @@ -docs_dir: "BOSL2.wiki" -image_root: "images/tutorials" -file_prefix: "Tutorial-" -source_files: "tutorials/*.md" -png_animations: true - From 77bdd4f40e53054bc7972de7ce1f5ce880504ae1 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sun, 28 Jan 2024 14:43:17 -0800 Subject: [PATCH 08/11] Update Rounding the Cube.md --- tutorials/Rounding the Cube.md | 62 +++++++++++++++++++++------------- 1 file changed, 38 insertions(+), 24 deletions(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index 5669a35..62f6f26 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -1,6 +1,6 @@ # Rounding the Cube -One of the shape primitives you'll use most often in your OpenSCAD designs is the cube. Rounding the edges of cube-like objects impacts both the visual appeal and functional aspects of the final product. The BOSL2 library provides a variety of methods for rounding edges and corners. +One of the shape primitives you'll use most often in your OpenSCAD designs is the cube. Rounding the edges of cube-like objects impacts both the visual appeal and functional aspects of the final design. The BOSL2 library provides a variety of methods for rounding edges and corners. There are four different 3d shape primitives that you can use to make cube-like objects: @@ -17,30 +17,31 @@ BOSL2 provides two different methods for rounding the edges of the cube-like pri * **Built-in Rounding** - [Cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid), [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid), and [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) all have built-in arguments for rounding some or all of their edges. -* **Masking** - BOSL2 includes a number of options for masking the edges and corners of objects. Masking can accomplish rounding tasks that are not possible with the built-in rounding arguments. +* **Masking** - BOSL2 includes a number of options for masking the edges and corners of objects. Masking can accomplish rounding tasks that are not possible with the built-in rounding arguments. For example with masking you can have a cube with a different rounding radius on the top edges than the rounding radius on the bottom edges. ## Cuboid Rounding -You can round the edges of a [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) with the `rounding=` argument by specifying the radius of curvature: +You can round the edges of a [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) with the `rounding` argument by specifying the radius of curvature: ```openscad-3D include cuboid(100, rounding=20); ``` -If you want to round selected edges you can specify which edges using combinations of the named directions **LEFT, RIGHT, TOP, BOT, FWD, BACK**. See [specifying edges](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#subsection-specifying-edges) for more details. -![](https://github.com/BelfrySCAD/BOSL2/wiki/images/attachments/subsection-specifying-edges_fig1.png) +Cube-like objects have six named faces. -You can round just the top edges: +![](https://github.com/BelfrySCAD/BOSL2/wiki/images/attachments/subsection-specifying-edges_fig2.png) + +You can round just the edges on one of the faces. Here we're rounding only the top edges: ```openscad-3D include cuboid([100,80,60], rounding=20, edges = TOP); ``` -...or just the bottom edges. Here we're using the *teardrop* parameter to limit the overhang angle to enable 3d printing without supports: +...or just the bottom edges. Here we're using the `teardrop` parameter to limit the overhang angle to enable 3d printing on FDM printers without requiring supports: ```openscad-3D include @@ -54,6 +55,10 @@ include cuboid([100,80,60], rounding=20, edges = "Z"); ``` +If you want to round selected edges you can specify which edges using combinations of the named directions **LEFT, RIGHT, TOP, BOT, FWD, BACK**. See [Specifying Edges](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#subsection-specifying-edges) for more details. + +![](https://github.com/BelfrySCAD/BOSL2/wiki/images/attachments/subsection-specifying-edges_fig1.png) + It is possible to round one or more of the edges while leaving others unrounded: @@ -69,21 +74,30 @@ include cuboid([100,80,60], rounding=20, except = TOP+FRONT); ``` -You can fillet edges by using negative rounding values: +You can fillet top or bottom edges by using negative rounding values. Note that you cannot use negative rounding values on Z-aligned (side) edges. ```openscad-3D include cuboid([100,80,60], rounding=-20, edges = BOTTOM); ``` -Chamfering the edges of the cuboid() can be done in a similar fashion: +If you do need to add a fillet on a Z-aligned edge, use [fillet()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-fillet): + +```openscad-3d +include +cuboid([100,80,60], rounding = -10, edges = BOT+FRONT) + position(FRONT+RIGHT) + fillet(l=60, r=10, spin=180); +``` + +Chamfering the edges of the cuboid() can be done in a manner similar to rounding: ```openscad-3D include cuboid([100,80,60], chamfer=20); ``` -You can specify edges as with rounding. +You can specify edges as with rounding: ```openscad-3D include @@ -182,11 +196,11 @@ include diff() cuboid([60,80,40]) { edge_mask(TOP+FWD) - rounding_edge_mask(r = 10, l = $parent_size.x); + rounding_edge_mask(r = 10, l = $parent_size.x + 0.1); edge_mask(TOP+RIGHT) - rounding_edge_mask(r = 10, l = $parent_size.y); + rounding_edge_mask(r = 10, l = $parent_size.y + 0.1); edge_mask(RIGHT+FWD) - rounding_edge_mask(r = 10, l = $parent_size.z); + rounding_edge_mask(r = 10, l = $parent_size.z + 0.1); } ``` @@ -197,30 +211,30 @@ include diff() cuboid([60,80,40]) { edge_mask(TOP+FWD) - rounding_edge_mask(r = 10, l = $parent_size.x); + rounding_edge_mask(r = 10, l = $parent_size.x + 0.1); edge_mask(TOP+RIGHT) - rounding_edge_mask(r = 10, l = $parent_size.y); + rounding_edge_mask(r = 10, l = $parent_size.y + 0.1); edge_mask(RIGHT+FWD) - rounding_edge_mask(r = 10, l = $parent_size.z); + rounding_edge_mask(r = 10, l = $parent_size.z + 0.1); corner_mask(TOP+RIGHT+FWD) rounding_corner_mask(r = 10); } ``` -As with the built-in rounding arguments, you can use [edge\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) and [corner\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-corner_mask) to apply teardrop roundings using [teardrop\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_edge_mask) and [teardrop\_corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_corner_mask) to limit the overhang angle for better printing on FDM printers. +As with the built-in rounding arguments, you can use [edge\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) and [corner\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-corner_mask) to apply teardrop roundings using [teardrop\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_edge_mask) and [teardrop\_corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_corner_mask) to limit the overhang angle for better printing on FDM printers. Note that the vertical mask on the RIGHT_FWD edge is a rounding\_edge\_mask(). ```openscad-3D include diff() cuboid([60,80,40]) { - edge_mask(TOP+FWD) - teardrop_edge_mask(r = 10, l = $parent_size.x, angle = 40); - edge_mask(TOP+RIGHT) - teardrop_edge_mask(r = 10, l = $parent_size.y, angle = 40); + edge_mask(BOT+FWD) + teardrop_edge_mask(r = 10, l = $parent_size.x + 0.1, angle = 40); + edge_mask(BOT+RIGHT) + teardrop_edge_mask(r = 10, l = $parent_size.y + 0.1, angle = 40); edge_mask(RIGHT+FWD) - teardrop_edge_mask(r = 10, l = $parent_size.z, angle = 40); - corner_mask(TOP+RIGHT+FWD) + rounding_edge_mask(r = 10, l = $parent_size.z + 0.1); + corner_mask(BOT+RIGHT+FWD) teardrop_corner_mask(r = 10, angle = 40); } @@ -228,7 +242,7 @@ diff() ##Rounded Prism You can construct cube-like objects, as well as a variety of other prisms using [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism). The unique feature of [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) is the ability to use continuous curvature rounding. Rather than using constant radius arcs, continuous curvature rounding uses 4th order Bezier curves. For complete details on how this works see [Types of Roundovers](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#section-types-of-roundovers). -Two parameters control the roundover k and joint. The joint parameter is specified separately for the top, bottom and side edges; joint_top, joint_bot, and joint_sides. +Two parameters control the roundover k and joint. The joint parameter is specified separately for the top, bottom and side edges; joint\_top, joint\_bot, and joint_sides. The k parameter ranges from 0 to 1 with a default of 0.5. Larger values give a more abrupt transition and smaller ones a more gradual transition. A k value of .93 approximates the circular roundover of other rounding methods. From a1f80aa9290320a17f05124b29668dc7b71cb3c5 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sun, 28 Jan 2024 14:53:20 -0800 Subject: [PATCH 09/11] Update Rounding the Cube.md --- tutorials/Rounding the Cube.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index 02d0f55..4109421 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -222,7 +222,7 @@ diff() ``` -As with the built-in rounding arguments, you can use [edge\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) and [corner\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-corner_mask) to apply teardrop roundings using [teardrop\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_edge_mask) and [teardrop\_corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_corner_mask) to limit the overhang angle for better printing on FDM printers. Note that the vertical mask on the RIGHT_FWD edge is a rounding\_edge\_mask(). +As with the built-in rounding arguments, you can use [edge\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-edge_mask) and [corner\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/attachments.scad#module-corner_mask) to apply teardrop roundings using [teardrop\_edge_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_edge_mask) and [teardrop\_corner_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-teardrop_corner_mask) to limit the overhang angle for better printing on FDM printers. Note that the vertical mask on the RIGHT_FWD edge is a [rounding\_edge\_mask()](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-rounding_edge_mask). ```openscad-3D include @@ -293,3 +293,4 @@ rounded_prism(rect(20), height=20, right(30) cuboid(20, rounding = 4, $fn = 72); ``` +[](https://github.com/BelfrySCAD/BOSL2/wiki/masks3d.scad#module-rounding_edge_mask) \ No newline at end of file From 982079ecb537184614aa2ba3fde3ca265c812677 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sun, 28 Jan 2024 15:02:52 -0800 Subject: [PATCH 10/11] Update Rounding the Cube.md --- tutorials/Rounding the Cube.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index 4109421..e82380b 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -13,7 +13,7 @@ There are four different 3d shape primitives that you can use to make cube-like * [**rounded_prism()**](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) - Makes a rounded 3d object by connecting two polygons with the same vertex count. Rounded_prism supports continuous curvature rounding. (See [Types of Roundovers](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#section-types-of-roundovers)). -BOSL2 provides two different methods for rounding the edges of the cube-like primitives above. +BOSL2 provides two different methods for rounding the edges of these cube-like primitives. * **Built-in Rounding** - [Cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid), [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid), and [rounded_prism()](https://github.com/BelfrySCAD/BOSL2/wiki/rounding.scad#functionmodule-rounded_prism) all have built-in arguments for rounding some or all of their edges. From c59097898492e92dbc472df813768ca3ce9d7e98 Mon Sep 17 00:00:00 2001 From: Richard Milewski Date: Sun, 28 Jan 2024 15:35:11 -0800 Subject: [PATCH 11/11] Fix typos --- tutorials/Rounding the Cube.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tutorials/Rounding the Cube.md b/tutorials/Rounding the Cube.md index e82380b..727e45d 100644 --- a/tutorials/Rounding the Cube.md +++ b/tutorials/Rounding the Cube.md @@ -83,7 +83,7 @@ cuboid([100,80,60], rounding=-20, edges = BOTTOM); If you do need to add a fillet on a Z-aligned edge, use [fillet()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-fillet): -```openscad-3d +```openscad-3D include cuboid([100,80,60], rounding = -10, edges = BOT+FRONT) position(FRONT+RIGHT) @@ -152,7 +152,7 @@ In addition to the simple roundover mask, there are masks for [cove](https://git The mask2d_ogee() only works on [cube()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-cube) and [cuboid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#module-cuboid) shapes, or a [prismoid()](https://github.com/BelfrySCAD/BOSL2/wiki/shapes3d.scad#functionmodule-prismoid) where size2 >= size1 in both the X and Y dimensions. -```openscad-3d +```openscad-3D include diff() prismoid(size1 = [50,50],size2 = [80,80], rounding1 = 25, height = 80) @@ -246,7 +246,7 @@ Two parameters control the roundover k and joint. The joint parameter is specif The k parameter ranges from 0 to 1 with a default of 0.5. Larger values give a more abrupt transition and smaller ones a more gradual transition. A k value of .93 approximates the circular roundover of other rounding methods. - If you want a very smooth roundover, set the joint parameter as large as possible and then adjust the k value down as low as gives a sufficiently large roundover. + If you want a very smooth roundover, set the joint parameter as large as possible and then adjust the k value down low enough to achieve a sufficiently large roundover. ```openscad-3D @@ -276,7 +276,7 @@ rounded_prism(rect(20), height=20, A k value of 1: -```openscad-3d +```openscad-3D include include rounded_prism(rect(20), height=20,