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Fix for CGAL errors with joiners.

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This commit is contained in:
Garth Minette 2021-04-18 20:15:36 -07:00
parent fe788f56b5
commit 5dc473071f
1 changed files with 18 additions and 18 deletions
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36
joiners.scad
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@ -83,33 +83,34 @@ module half_joiner(h=20, w=10, l=10, a=30, screwsize=undef, guides=true, anchor=
dmnd_width = dmnd_height*tan(a);
guide_size = w/3;
guide_width = 2*(dmnd_height/2-guide_size)*tan(a);
a2 = atan2(guide_width/2,h/3);
render(convexity=12)
attachable(anchor,spin,orient, size=[w, 2*l, h]) {
difference() {
union() {
// Make base.
difference() {
// Solid backing base.
fwd(l/2) cube(size=[w, l, h], center=true);
// Base cube
fwd(l) cube([w, l+guide_width/2, h], anchor=FRONT);
// Clear diamond for tab
xcopies(2*w*2/3) {
half_joiner_clear(h=h+0.01, w=w, clearance=$slop*2, a=a);
// Bevel top and bottom
yrot_copies(n=2)
down(h/2)
xrot(-a2)
down(0.1)
cube([w+1, guide_width+1, h+1], anchor=FWD+BOT);
// Clear sides
xcopies(2*w*2/3-$slop*2) {
cube([w, guide_width, h/3], center=true);
fwd(guide_width/2)
yrot_copies(n=2)
down(h/6)
xrot(a2)
cube([w, guide_width, h/2], anchor=FWD+TOP);
}
}
difference() {
// Make tab
scale([w/3-$slop*2, dmnd_width/2, dmnd_height/2]) xrot(45)
cube(size=[1,sqrt(2),sqrt(2)], center=true);
// Blunt point of tab.
back(guide_width/2+2)
cube(size=[w*0.99,4,guide_size*2], center=true);
}
// Guide ridges.
if (guides == true) {
xcopies(w/3-$slop*2) {
@ -136,7 +137,6 @@ module half_joiner(h=20, w=10, l=10, a=30, screwsize=undef, guides=true, anchor=
}
// Module: half_joiner2()
// Usage:
// half_joiner2(h, w, l, [a], [screwsize], [guides])