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More masks.scad tweaks
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Garth Minette
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1 changed files with 96 additions and 47 deletions
143
masks.scad
143
masks.scad
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@ -9,9 +9,9 @@
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// Section: Chamfer Masks
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// Module: chamfer_mask()
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// Module: chamfer_edge_mask()
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// Usage:
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// chamfer_mask(l, chamfer, [excess]);
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// chamfer_edge_mask(l, chamfer, [excess]);
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// Description:
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// Creates a shape that can be used to chamfer a 90 degree edge.
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// Difference it from the object to be chamfered. The center of
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@ -24,13 +24,19 @@
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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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// Example:
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// chamfer_mask(l=50, chamfer=10);
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// chamfer_edge_mask(l=50, chamfer=10);
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// Example:
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// difference() {
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// cube(50, anchor=BOTTOM+FRONT);
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// #chamfer_mask(l=50, chamfer=10, orient=RIGHT);
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// #chamfer_edge_mask(l=50, chamfer=10, orient=RIGHT);
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// }
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module chamfer_mask(l=1, chamfer=1, excess=0.1, anchor=CENTER, spin=0, orient=UP) {
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// Example: Masking by Attachment
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// diff("mask")
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// cube(50, center=true) {
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// edge_mask(TOP+RIGHT)
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// #chamfer_edge_mask(l=50, chamfer=10);
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// }
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module chamfer_edge_mask(l=1, chamfer=1, excess=0.1, anchor=CENTER, spin=0, orient=UP) {
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attachable(anchor,spin,orient, size=[chamfer*2, chamfer*2, l]) {
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cylinder(r=chamfer, h=l+excess, center=true, $fn=4);
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children();
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@ -38,6 +44,46 @@ module chamfer_mask(l=1, chamfer=1, excess=0.1, anchor=CENTER, spin=0, orient=UP
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}
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// Module: chamfer_corner_mask()
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// Usage:
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// chamfer_corner_mask(chamfer);
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// Description:
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// Creates a shape that can be used to chamfer a 90 degree corner.
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// Difference it from the object to be chamfered. The center of
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// the mask object should align exactly with the corner to be chamfered.
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// Arguments:
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// chamfer = Size of chamfer.
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// ---
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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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// Example:
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// chamfer_corner_mask(chamfer=10);
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// Example:
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// difference() {
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// cuboid(50, chamfer=10, trimcorners=false);
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// move(25*[1,-1,1]) #chamfer_corner_mask(chamfer=10);
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// }
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// Example: Masking by Attachment
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// diff("mask")
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// cuboid(100, chamfer=20, trimcorners=false) {
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// corner_mask(TOP+FWD+RIGHT)
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// chamfer_corner_mask(chamfer=20);
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// }
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module chamfer_corner_mask(chamfer=1, anchor=CENTER, spin=0, orient=UP) {
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pts = 2 * chamfer * [
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[0,0,1], [1,0,0], [0,1,0], [-1,0,0], [0,-1,0], [0,0,-1]
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];
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faces = [
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[0,2,1], [0,3,2], [0,4,3], [0,1,4], [5,1,2], [5,2,3], [5,3,4], [5,4,1]
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];
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attachable(anchor,spin,orient, size=[4,4,4]*chamfer) {
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polyhedron(pts, faces, convexity=2);
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children();
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}
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}
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// Module: chamfer_cylinder_mask()
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// Usage:
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// chamfer_cylinder_mask(r|d, chamfer, [ang], [from_end])
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@ -65,6 +111,7 @@ module chamfer_mask(l=1, chamfer=1, excess=0.1, anchor=CENTER, spin=0, orient=UP
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// cylinder(r=50, h=100, center=true);
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// up(50) chamfer_cylinder_mask(r=50, chamfer=10);
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// }
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// Example: Masking by Attachment
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module chamfer_cylinder_mask(r, d, chamfer=0.25, ang=45, from_end=false, anchor=CENTER, spin=0, orient=UP)
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{
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r = get_radius(r=r, d=d, dflt=1);
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@ -102,8 +149,8 @@ module chamfer_cylinder_mask(r, d, chamfer=0.25, ang=45, from_end=false, anchor=
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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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// Example:
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// rounding_edge_mask(l=100, r1=25, r2=10);
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// Example(VPD=200,VPR=[55,0,120]):
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// rounding_edge_mask(l=50, r1=10, r2=25);
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// Example:
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// difference() {
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// cube(size=100, center=false);
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@ -111,8 +158,8 @@ module chamfer_cylinder_mask(r, d, chamfer=0.25, ang=45, from_end=false, anchor=
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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_edge_mask(l=100, r1=25, r2=10, orient=UP, anchor=BOTTOM);
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// cube(size=50, center=false);
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// #rounding_edge_mask(l=50, 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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@ -227,12 +274,12 @@ module rounding_corner_mask(r, d, style="octa", excess=0.1, anchor=CENTER, spin=
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
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// Example:
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// difference() {
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// pie_slice(ang=70, h=50, d=100);
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// pie_slice(ang=70, h=50, d=100, center=true);
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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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// Example: Varying Rounding Radius
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// difference() {
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// pie_slice(ang=70, h=50, d=100);
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// pie_slice(ang=70, h=50, d=100, center=true);
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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, r1, r2, d, d1, d2, ang=90, anchor=CENTER, spin=0, orient=UP)
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@ -370,6 +417,8 @@ module rounding_cylinder_mask(r, rounding=0.25, d)
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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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// Example:
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// rounding_hole_mask(r=40, rounding=20, $fa=2, $fs=2);
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// Example(Med):
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// difference() {
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// cube([150,150,100], center=true);
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@ -382,8 +431,6 @@ module rounding_cylinder_mask(r, rounding=0.25, d)
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// cylinder(r=50, h=100.1, center=true);
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// up(50) rounding_hole_mask(r=50, rounding=10);
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// }
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// Example:
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// rounding_hole_mask(r=40, rounding=20, $fa=2, $fs=2);
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module rounding_hole_mask(r, rounding=0.25, excess=0.1, d, anchor=CENTER, spin=0, orient=UP)
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{
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r = get_radius(r=r, d=d, dflt=1);
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@ -401,6 +448,42 @@ module rounding_hole_mask(r, rounding=0.25, excess=0.1, d, anchor=CENTER, spin=0
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// Section: Teardrop Masking
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// Module: teardrop_edge_mask()
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// Usage:
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// teardrop_edge_mask(r|d, [angle], [excess]);
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// Description:
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// Makes an apropriate 3D corner rounding mask that keeps within `angle` degrees of vertical.
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// Arguments:
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// r = Radius of the mask rounding.
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// d = Diameter of the mask rounding.
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// angle = Maximum angle from vertical. Default: 45
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// excess = Excess mask size. Default: 0.1
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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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// Example(VPD=50,VPR=[55,0,120]):
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// teardrop_edge_mask(l=20, r=10, angle=40);
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// Example(VPD=300,VPR=[75,0,25]):
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// diff("mask")
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// cuboid([50,60,70],rounding=10,edges="Z",anchor=CENTER) {
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// edge_mask(BOT)
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// teardrop_edge_mask(l=max($parent_size)+1, r=10, angle=40);
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// corner_mask(BOT)
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// teardrop_corner_mask(r=10, angle=40);
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// }
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module teardrop_edge_mask(l, r, angle, excess=0.1, d, anchor=CENTER, spin=0, orient=UP) {
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assert(is_num(l));
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assert(is_num(angle));
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assert(is_num(excess));
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assert(angle>0 && angle<90);
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r = get_radius(r=r, d=d, dflt=1);
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difference() {
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translate(-[1,1,0]*excess) cube([r+excess,r+excess,l], anchor=FWD+LEFT);
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translate([r,r,0]) teardrop(r=r, l=l+1, cap_h=r, ang=angle, orient=FWD);
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}
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}
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// Module: teardrop_corner_mask()
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// Usage:
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// teardrop_corner_mask(r|d, [angle], [excess]);
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@ -436,39 +519,5 @@ module teardrop_corner_mask(r, angle, excess=0.1, d, anchor=CENTER, spin=0, orie
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}
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// Module: teardrop_edge_mask()
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// Usage:
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// teardrop_edge_mask(r|d, [angle], [excess]);
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// Description:
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// Makes an apropriate 3D corner rounding mask that keeps within `angle` degrees of vertical.
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// Arguments:
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// r = Radius of the mask rounding.
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// d = Diameter of the mask rounding.
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// angle = Maximum angle from vertical. Default: 45
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// excess = Excess mask size. Default: 0.1
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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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// Example(VPD=50,VPR=[55,0,120]):
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// teardrop_edge_mask(l=20, r=10, angle=40);
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// Example(VPD=300,VPR=[75,0,25]):
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// diff("mask")
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// cuboid([50,60,70],rounding=10,edges="Z",anchor=CENTER) {
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// edge_mask(BOT)
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// #teardrop_edge_mask(l=71, r=10, angle=40);
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// }
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module teardrop_edge_mask(l, r, angle, excess=0.1, d, anchor=CENTER, spin=0, orient=UP) {
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assert(is_num(l));
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assert(is_num(angle));
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assert(is_num(excess));
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assert(angle>0 && angle<90);
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r = get_radius(r=r, d=d, dflt=1);
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difference() {
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translate(-[1,1,0]*excess) cube([r+excess,r+excess,l], anchor=FWD+LEFT);
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translate([r,r,0]) teardrop(r=r, l=l+1, cap_h=r, ang=angle, orient=FWD);
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}
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}
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// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
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