Stephen Carpenter
cf3a550fb0
Coupler is now generated jaws up and aligned with jaw bottom on 0. Added align option, default to true. Set to false for the whole part to sit on the xy plane.
72 lines
1.8 KiB
OpenSCAD
72 lines
1.8 KiB
OpenSCAD
use <PolyGear/PolyGear.scad>
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use <PolyGear/PolyGearBasics.scad>
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use <PolyGear/shortcuts.scad>
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render_fn = 180;
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render_fa = .5;
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render_fs = .2;
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$fn= ($preview) ? 30 : render_fn;
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$fa= ($preview) ? $fa : render_fa;
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$fs= ($preview) ? $fs : render_fs;
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module spider_section(ir=6,or=13, l=6, lt=1, h, die=false) {
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//a = 360/l;
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a = 360/l;
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cx=or-ir;
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if (die) {
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RiS(R=or+.01, r=0, h=h+.01, w1=0, w2=60);
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Ri(R=ir+.2, r=0, h=h+.01);
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spider_section(ir=ir,or=or,l=l,lt=lt+.2,h=h+.01,die=false);
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} else {
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for (r= [0,a])
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rotate([0,0,r])
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translate([ir+lt/2,0,0])
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cube([or-ir+lt, lt, h], center=true);
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Ri(R=ir, r=ir-lt, h=h);
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}
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}
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module spider(ir=6, sd=9, or=13, l=6, lt=1, h=3, die=false) {
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difference() {
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union() {
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for (i=[0 : 1 : l-1])
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if (i % 2) rotate([0,0,i*360/l]) spider_section(ir=ir,or=or,h=h,die=die);
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}
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}
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}
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module lovejoy(
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ph=5, // Plate Height
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r=13, // Diameter
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jh=3, // Jaw Height
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align = true,
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bc=undef, // base color
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cc=undef // cut color
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) {
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//ir = ($children < 1) ? 4.2 : 0;
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dz = align ? -ph : 0;
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translate([0,0,dz]) difference() {
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// Body
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assert($children<3, "Lovejoy only supports up to 2 children.");
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union() {
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// Base Plate.
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color(bc)
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cylinder(r=r, h=ph+jh); //Ri(R=d,r=ir,h=ph+jh);
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// Child 0 adds to base
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if ($children > 0) children(0);
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}
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// Cuts
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translate([0,0,ph+jh/2])
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color(cc) spider(ir=2, or=r, die=true, h=jh);
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// Center Cuts
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if ($children > 1) translate([0,0,-.01]) children(1);
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}
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}
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color("pink")
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lovejoy(r=4, ph=5, jh=3, align=false) {
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union();
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cylinder(h=8,d=4);
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}
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