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Major tweak: changed orientation

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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.
This commit is contained in:
Stephen Carpenter
2022-11-22 10:55:05 -05:00
parent f36fa7aa35
commit cf3a550fb0
1 changed files with 43 additions and 27 deletions
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70
lovejoy.scad
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@@ -2,17 +2,27 @@ use <PolyGear/PolyGear.scad>
use <PolyGear/PolyGearBasics.scad>
use <PolyGear/shortcuts.scad>
render_fn = 180;
render_fa = .5;
render_fs = .2;
$fn= ($preview) ? 30 : render_fn;
$fa= ($preview) ? $fa : render_fa;
$fs= ($preview) ? $fs : render_fs;
module spider_section(ir=6,or=13, l=6, lt=1, h, die=false) {
//a = 360/l;
a = 360/l;
cx=or-ir+.2;
for (r=[0,a])
rotate([0,0,r])
translate([ir+cx/2-.2,0,0]) cube([cx, die ? lt+.2 : lt, h], center=true);
cx=or-ir;
if (die) {
RiS(R=or, r=0, h=h, w1=0, w2=60);
Ri(R=ir+.4, r=0, h=h);
RiS(R=or+.01, r=0, h=h+.01, w1=0, w2=60);
Ri(R=ir+.2, r=0, h=h+.01);
spider_section(ir=ir,or=or,l=l,lt=lt+.2,h=h+.01,die=false);
} else {
for (r= [0,a])
rotate([0,0,r])
translate([ir+lt/2,0,0])
cube([or-ir+lt, lt, h], center=true);
Ri(R=ir, r=ir-lt, h=h);
}
}
@@ -21,35 +31,41 @@ module spider(ir=6, sd=9, or=13, l=6, lt=1, h=3, die=false) {
difference() {
union() {
for (i=[0 : 1 : l-1])
if (i % 2) rotate([0,0,i*360/l]) spider_section(ir=ir,h=h,die=die);
if (i % 2) rotate([0,0,i*360/l]) spider_section(ir=ir,or=or,h=h,die=die);
}
}
}
module lovejoy(ph=5, jh=3) {
ir = ($children < 1) ? 4.2 : 0;
difference() {
module lovejoy(
ph=5, // Plate Height
r=13, // Diameter
jh=3, // Jaw Height
align = true,
bc=undef, // base color
cc=undef // cut color
) {
//ir = ($children < 1) ? 4.2 : 0;
dz = align ? -ph : 0;
translate([0,0,dz]) difference() {
// Body
translate([0,0,-(jh+ph)/2]) Ri(R=13-.1,r=ir,h=ph+jh);
assert($children<3, "Lovejoy only supports up to 2 children.");
union() {
// Base Plate.
color(bc)
cylinder(r=r, h=ph+jh); //Ri(R=d,r=ir,h=ph+jh);
// Child 0 adds to base
if ($children > 0) children(0);
}
// Cuts
translate([0,0,-jh/2+.01]) spider(ir=6, die=true, h=jh+.1);
translate([0,0,ph+jh/2])
color(cc) spider(ir=2, or=r, die=true, h=jh);
// Center Cuts
if ($children > 0)
children();
if ($children > 1) translate([0,0,-.01]) children(1);
}
}
if (! $preview) {
$fs= .1;
$fn= 60;
}
color("pink")
lovejoy() translate([0,0,-6]) cylinder(r=2, h=12, $fn=4, center=true);
color("green")
translate([0,0,0]) spider(ir=6, die=false, h=3);
color("blue")
rotate([180,0,0]) {
lovejoy();
}
//translate([tan(60),0,-2]) color("yellow") cube([.1,1,5]);
lovejoy(r=4, ph=5, jh=3, align=false) {
union();
cylinder(h=8,d=4);
}