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Justin Lin
2019-09-26 08:21:15 +08:00
parent aa6a1a9453
commit 7333d474e1
1 changed files with 4 additions and 3 deletions
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7
src/stereographic_extrude.scad
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@@ -15,13 +15,14 @@ module stereographic_extrude(shadow_side_leng) {
inner_sphere_r = outer_sphere_r * sin(a); inner_sphere_r = outer_sphere_r * sin(a);
intersection() { intersection() {
translate([0, 0, outer_sphere_r]) difference() { translate([0, 0, outer_sphere_r])
difference() {
sphere(outer_sphere_r); sphere(outer_sphere_r);
sphere(outer_sphere_r / 2 + inner_sphere_r / 2); sphere(outer_sphere_r / 2 + inner_sphere_r / 2);
translate([0, 0, outer_sphere_r / 2]) translate([0, 0, outer_sphere_r / 2])
linear_extrude(outer_sphere_r) linear_extrude(outer_sphere_r)
circle(inner_sphere_r * cos(a)); circle(inner_sphere_r * cos(a));
} }
linear_extrude(outer_sphere_r * 2, scale = 0.01) linear_extrude(outer_sphere_r * 2, scale = 0.01)