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tutorials/Rounding the Cube.md
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@ -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 <BOSL2/std.scad>
@ -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 <BOSL2/std.scad>
@ -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<BOSL2/std.scad>