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Justin Lin
2022-03-30 17:26:55 +08:00
parent 8e5255fdc9
commit 1188fe9bcc
2 changed files with 15 additions and 17 deletions
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28
src/bend_extrude.scad
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@@ -21,14 +21,14 @@ module bend_extrude(size, thickness, angle, frags = 24) {
module get_frag(i) { module get_frag(i) {
offsetX = i * frag_width; offsetX = i * frag_width;
linear_extrude(thickness, scale = [s, 1]) linear_extrude(thickness, scale = [s, 1])
translate([-offsetX - half_frag_width, 0, 0]) translate([-offsetX - half_frag_width, 0, 0])
intersection() { intersection() {
translate([x, 0, 0]) translate([x, 0, 0])
mirror([1, 0, 0]) mirror([1, 0, 0])
children(); children();
translate([offsetX, 0, 0]) translate([offsetX, 0, 0])
square([frag_width, y]); square([frag_width, y]);
} }
} }
offsetY = -r * cos(half_frag_angle) ; offsetY = -r * cos(half_frag_angle) ;
@@ -36,11 +36,11 @@ module bend_extrude(size, thickness, angle, frags = 24) {
rotate(angle - 90) rotate(angle - 90)
mirror([0, 1, 0]) mirror([0, 1, 0])
mirror([0, 0, 1]) mirror([0, 0, 1])
for(i = [0 : frags - 1]) { for(i = [0 : frags - 1]) {
rotate(i * frag_angle + half_frag_angle) rotate(i * frag_angle + half_frag_angle)
translate([0, offsetY, 0]) translate([0, offsetY, 0])
rotate([-90, 0, 0]) rotate([-90, 0, 0])
get_frag(i) get_frag(i)
children(); children();
} }
} }

4
src/curve.scad
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@@ -15,9 +15,7 @@ function curve(t_step, points, tightness = 0) =
[ [
each [ each [
for(i = [0:leng - 4]) for(i = [0:leng - 4])
let( let(pts = _catmull_rom_spline_4pts(t_step, [for(j = [i:i + 3]) points[j]], tightness))
pts = _catmull_rom_spline_4pts(t_step, [for(j = [i:i + 3]) points[j]], tightness)
)
for(i = [0:len(pts) - 2]) pts[i] for(i = [0:len(pts) - 2]) pts[i]
], ],
points[leng - 2] points[leng - 2]