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use arc_path

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Justin Lin
2021-07-15 10:57:24 +08:00
parent 0551981b07
commit 9863b718a0
1 changed files with 4 additions and 10 deletions
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14
examples/cutted_donut.scad
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@@ -1,21 +1,15 @@
use <ring_extrude.scad>; use <ring_extrude.scad>;
use <arc_path.scad>;
$fn = 96; $fn = 96;
inner_r = 12; r = 20;
number_of_turns = 1; number_of_turns = 1;
shape = arc_path(radius = 15, angle = [0, 120]);
arc_a = 120; cutted_donut(shape, r, number_of_turns) ;
arc_r = 15;
shape = [
for(a = [0:360 / $fn:arc_a])
[arc_r * cos(a) , arc_r * sin(a)]
];
cutted_donut(shape, inner_r, number_of_turns) ;
module cutted_donut(shape, inner_r, number_of_turns) { module cutted_donut(shape, inner_r, number_of_turns) {
r = arc_r + inner_r;
t = 180 + 360 * number_of_turns; t = 180 + 360 * number_of_turns;
for(s = [shape, shape * -1]) { for(s = [shape, shape * -1]) {
ring_extrude(s, radius = r, twist = t, angle = 360); ring_extrude(s, radius = r, twist = t, angle = 360);