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https://github.com/BelfrySCAD/BOSL2.git
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Added r1/r2 args for various edge rounding routines to allow graduated radius curvatures.
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Revar Desmera
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commit
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1 changed files with 72 additions and 29 deletions
101
masks.scad
101
masks.scad
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@ -371,6 +371,7 @@ module chamfer_hole_mask(r=undef, d=undef, chamfer=0.25, ang=45, from_end=false,
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// Module: rounding_mask()
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// Usage:
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// rounding_mask(l|h, r)
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// rounding_mask(l|h, r1, r2)
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// Description:
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// Creates a shape that can be used to round a vertical 90 degree edge.
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// Difference it from the object to be rounded. The center of the mask
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@ -378,6 +379,8 @@ module chamfer_hole_mask(r=undef, d=undef, chamfer=0.25, ang=45, from_end=false,
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// Arguments:
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// l = Length of mask.
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// r = Radius of the rounding.
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// r1 = Bottom radius of rounding.
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// r2 = Top radius of rounding.
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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@ -386,6 +389,11 @@ module chamfer_hole_mask(r=undef, d=undef, chamfer=0.25, ang=45, from_end=false,
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// cube(size=100, center=false);
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// #rounding_mask(l=100, r=25, orient=UP, anchor=BOTTOM);
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// }
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// Example: Varying Rounding Radius
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// difference() {
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// cube(size=100, center=false);
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// #rounding_mask(l=100, r1=25, r2=10, orient=UP, anchor=BOTTOM);
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// }
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// Example: Masking by Attachment
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// diff("mask")
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// cube(100, center=true)
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@ -403,15 +411,17 @@ module chamfer_hole_mask(r=undef, d=undef, chamfer=0.25, ang=45, from_end=false,
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// rounding_mask(l=p.x, r=25, spin=45, orient=RIGHT);
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// }
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// }
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module rounding_mask(l=undef, r=1.0, anchor=CENTER, spin=0, orient=UP, h=undef)
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module rounding_mask(l=undef, r=undef, r1=undef, r2=undef, anchor=CENTER, spin=0, orient=UP, h=undef)
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{
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l = first_defined([l, h, 1]);
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sides = quantup(segs(r),4);
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orient_and_anchor([2*r, 2*r, l], orient, anchor, spin=spin, chain=true) {
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linear_extrude(height=l+0.1, convexity=4, center=true) {
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r1 = get_radius(r1=r1, r=r, dflt=1);
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r2 = get_radius(r1=r2, r=r, dflt=1);
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sides = quantup(segs(max(r1,r2)),4);
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orient_and_anchor([2*r1, 2*r1, l], orient, anchor, spin=spin, size2=[2*r2,2*r2], chain=true) {
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linear_extrude(height=l+0.1, convexity=4, center=true, scale=r2/r1) {
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difference() {
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square(2*r, center=true);
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xspread(2*r) yspread(2*r) circle(r=r, $fn=sides);
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square(2*r1, center=true);
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xspread(2*r1) yspread(2*r1) circle(r=r1, $fn=sides);
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}
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}
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children();
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@ -422,6 +432,7 @@ module rounding_mask(l=undef, r=1.0, anchor=CENTER, spin=0, orient=UP, h=undef)
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// Module: rounding_mask_x()
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// Usage:
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// rounding_mask_x(l, r, [anchor])
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// rounding_mask_x(l, r1, r2, [anchor])
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// Description:
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// Creates a shape that can be used to round a 90 degree edge oriented
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// along the X axis. Difference it from the object to be rounded.
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@ -430,16 +441,23 @@ module rounding_mask(l=undef, r=1.0, anchor=CENTER, spin=0, orient=UP, h=undef)
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// Arguments:
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// l = Length of mask.
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// r = Radius of the rounding.
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// r1 = Left end radius of rounding.
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// r2 = Right end radius of rounding.
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// Example:
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// difference() {
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// cube(size=100, center=false);
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// #rounding_mask_x(l=100, r=25, anchor=LEFT);
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// }
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module rounding_mask_x(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Example: Varying Rounding Radius
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// difference() {
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// cube(size=100, center=false);
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// #rounding_mask_x(l=100, r1=10, r2=30, anchor=LEFT);
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// }
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module rounding_mask_x(l=1.0, r=undef, r1=undef, r2=undef, anchor=CENTER, spin=0)
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{
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anchor = rot(p=anchor, from=RIGHT, to=TOP);
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rounding_mask(l=l, r=r, anchor=anchor, spin=spin, orient=RIGHT) {
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rounding_mask(l=l, r=r, r1=r1, r2=r2, anchor=anchor, spin=spin, orient=RIGHT) {
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for (i=[0:1:$children-2]) children(i);
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if ($children) children($children-1);
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}
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@ -449,6 +467,7 @@ module rounding_mask_x(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Module: rounding_mask_y()
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// Usage:
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// rounding_mask_y(l, r, [anchor])
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// rounding_mask_y(l, r1, r2, [anchor])
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// Description:
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// Creates a shape that can be used to round a 90 degree edge oriented
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// along the Y axis. Difference it from the object to be rounded.
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@ -457,16 +476,23 @@ module rounding_mask_x(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Arguments:
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// l = Length of mask.
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// r = Radius of the rounding.
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// r1 = Front end radius of rounding.
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// r2 = Back end radius of rounding.
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// Example:
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// difference() {
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// cube(size=100, center=false);
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// right(100) #rounding_mask_y(l=100, r=25, anchor=FRONT);
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// }
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module rounding_mask_y(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Example: Varying Rounding Radius
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// difference() {
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// cube(size=100, center=false);
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// right(100) #rounding_mask_y(l=100, r1=10, r2=30, anchor=FRONT);
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// }
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module rounding_mask_y(l=1.0, r=undef, r1=undef, r2=undef, anchor=CENTER, spin=0)
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{
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anchor = rot(p=anchor, from=BACK, to=TOP);
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rounding_mask(l=l, r=r, anchor=anchor, spin=spin, orient=BACK) {
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rounding_mask(l=l, r=r, r1=r1, r2=r2, anchor=anchor, spin=spin, orient=BACK) {
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for (i=[0:1:$children-2]) children(i);
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if ($children) children($children-1);
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}
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@ -476,6 +502,7 @@ module rounding_mask_y(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Module: rounding_mask_z()
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// Usage:
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// rounding_mask_z(l, r, [anchor])
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// rounding_mask_z(l, r1, r2, [anchor])
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// Description:
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// Creates a shape that can be used to round a 90 degree edge oriented
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// along the Z axis. Difference it from the object to be rounded.
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@ -484,15 +511,22 @@ module rounding_mask_y(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Arguments:
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// l = Length of mask.
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// r = Radius of the rounding.
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// r1 = Bottom radius of rounding.
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// r2 = Top radius of rounding.
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// Example:
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// difference() {
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// cube(size=100, center=false);
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// #rounding_mask_z(l=100, r=25, anchor=BOTTOM);
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// }
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module rounding_mask_z(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Example: Varying Rounding Radius
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// difference() {
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// cube(size=100, center=false);
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// #rounding_mask_z(l=100, r1=10, r2=30, anchor=BOTTOM);
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// }
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module rounding_mask_z(l=1.0, r=undef, r1=undef, r2=undef, anchor=CENTER, spin=0)
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{
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rounding_mask(l=l, r=r, anchor=anchor, spin=spin, orient=UP) {
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rounding_mask(l=l, r=r, r1=r1, r2=r2, anchor=anchor, spin=spin, orient=UP) {
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for (i=[0:1:$children-2]) children(i);
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if ($children) children($children-1);
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}
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@ -507,7 +541,7 @@ module rounding_mask_z(l=1.0, r=1.0, anchor=CENTER, spin=0)
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// Arguments:
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// r = Radius of the rounding. (Default: 1)
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// size = The size of the rectangular cuboid we want to chamfer.
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// edges = Which edges to chamfer. Use of [`edges()`](edges.scad#edges) from [`edges.scad`](edges.scad) is recommend.
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// edges = Which edges to round. Use of [`edges()`](edges.scad#edges) from [`edges.scad`](edges.scad) is recommend.
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// Description:
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// You should use [`edges()`](edges.scad#edges) from [`edges.scad`](edges.scad) to generate the edge array for the `edge` argument.
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// However, if you must handle it raw, the edge ordering is this:
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@ -539,15 +573,17 @@ module rounding(r=1, size=[1,1,1], edges=EDGES_ALL)
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// Module: rounding_angled_edge_mask()
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// Usage:
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// rounding_angled_edge_mask(h, r, [ang]);
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// rounding_angled_edge_mask(h, r1, r2, [ang]);
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// Description:
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// Creates a vertical mask that can be used to round the edge where two
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// face meet, at any arbitrary angle. Difference it from the object to
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// be rounded. The center of the mask should align exactly with the
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// edge to be rounded.
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// Creates a vertical mask that can be used to round the edge where two face meet, at any arbitrary
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// angle. Difference it from the object to be rounded. The center of the mask should align exactly
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// with the edge to be rounded.
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// Arguments:
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// h = height of vertical mask.
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// r = radius of the rounding.
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// ang = angle that the planes meet at.
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// h = Height of vertical mask.
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// r = Radius of the rounding.
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// r1 = Bottom radius of rounding.
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// r2 = Top radius of rounding.
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// ang = Angle that the planes meet at.
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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@ -556,20 +592,27 @@ module rounding(r=1, size=[1,1,1], edges=EDGES_ALL)
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// angle_pie_mask(ang=70, h=50, d=100);
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// #rounding_angled_edge_mask(h=51, r=20.0, ang=70, $fn=32);
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// }
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module rounding_angled_edge_mask(h=1.0, r=1.0, ang=90, anchor=CENTER, spin=0, orient=UP)
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// Example: Varying Rounding Radius
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// difference() {
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// angle_pie_mask(ang=70, h=50, d=100);
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// #rounding_angled_edge_mask(h=51, r1=10, r2=25, ang=70, $fn=32);
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// }
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module rounding_angled_edge_mask(h=1.0, r=undef, r1=undef, r2=undef, ang=90, anchor=CENTER, spin=0, orient=UP)
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{
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sweep = 180-ang;
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n = ceil(segs(r)*sweep/360);
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x = r*sin(90-(ang/2))/sin(ang/2);
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orient_and_anchor([2*x,2*r,h], orient, anchor, spin=spin, chain=true) {
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linear_extrude(height=h, convexity=4, center=true) {
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n = ceil(segs(max(r1,r2))*sweep/360);
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x = r1*sin(90-(ang/2))/sin(ang/2);
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r1 = get_radius(r1=r1, r=r, dflt=1);
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r2 = get_radius(r1=r2, r=r, dflt=1);
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orient_and_anchor([2*x,2*r1,h], orient, anchor, spin=spin, size2=[2*x*r2/r1,2*r2], chain=true) {
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linear_extrude(height=h, convexity=4, center=true, scale=r2/r1) {
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polygon(
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points=concat(
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[for (i = [0:1:n]) let (a=90+ang+i*sweep/n) [r*cos(a)+x, r*sin(a)+r]],
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[for (i = [0:1:n]) let (a=90+i*sweep/n) [r*cos(a)+x, r*sin(a)-r]],
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[for (i = [0:1:n]) let (a=90+ang+i*sweep/n) [r1*cos(a)+x, r1*sin(a)+r1]],
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[for (i = [0:1:n]) let (a=90+i*sweep/n) [r1*cos(a)+x, r1*sin(a)-r1]],
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[
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[min(-1, r*cos(270-ang)+x-1), r*sin(270-ang)-r],
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[min(-1, r*cos(90+ang)+x-1), r*sin(90+ang)+r],
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[min(-1, r1*cos(270-ang)+x-1), r1*sin(270-ang)-r1],
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[min(-1, r1*cos(90+ang)+x-1), r1*sin(90+ang)+r1],
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]
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)
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);
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