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Tweaked cylindrical_extrude() to make sure wedges union.

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Revar Desmera 2020-05-16 01:14:44 -07:00
parent 780211a357
commit 8a64ae7a9c
2 changed files with 13 additions and 11 deletions
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22
mutators.scad
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@ -347,20 +347,22 @@ module cylindrical_extrude(or, ir, od, id, size=1000, convexity=10, spin=0, orie
or = get_radius(r=or,d=od); or = get_radius(r=or,d=od);
index_r = or; index_r = or;
circumf = 2 * PI * index_r; circumf = 2 * PI * index_r;
width = min(size.x + 1, circumf); width = min(size.x, circumf);
assert(width <= circumf, "Shape would more than completely wrap around."); assert(width <= circumf, "Shape would more than completely wrap around.");
steps = ceil(segs(or) * width / circumf); sides = segs(or);
step = quant(width / steps, 1/32768); step = circumf / sides;
rot(from=UP, to=orient) rot(spin) xrot(90) { steps = ceil(width / step);
rot(from=UP, to=orient) rot(spin) {
for (i=[0:1:steps-2]) { for (i=[0:1:steps-2]) {
x = (i+0.5) * step - width/2; x = (i+0.5-steps/2) * step;
yrot(360 * x / circumf) { zrot(360 * x / circumf) {
up(or) { fwd(or*cos(180/sides)) {
zflip() { xrot(-90) {
linear_extrude(height=or-ir, scale=ir/or, center=false, convexity=convexity) { linear_extrude(height=or-ir, scale=[ir/or,1], center=false, convexity=convexity) {
yflip()
intersection() { intersection() {
left(x) children(); left(x) children();
rect([step,size.y+1],center=true); rect([step,size.y],center=true);
} }
} }
} }

2
version.scad
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@ -8,7 +8,7 @@
////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,302]; BOSL_VERSION = [2,0,303];
// Section: BOSL Library Version Functions // Section: BOSL Library Version Functions