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add soccer_polyhedron

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Justin Lin 2019-10-12 21:51:20 +08:00
parent 107837bbdd
commit 8caa2f02d6
1 changed files with 55 additions and 0 deletions
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examples/soccer_polyhedron.scad Normal file
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module soccer_polyhedron(circumradius, r_offset = 0) {
tau = 1.618034;
a = -37.377368;
scale_f = 0.201774;
r_off = scale_f * r_offset;
module pentagonal_pyramid() {
pentagon_r = 1.701302;
pentagon_h = 4.654877;
translate([0, 0, -pentagon_h - r_off])
linear_extrude(pentagon_h, scale = 0.01)
rotate(-36)
circle(pentagon_r, $fn = 5);
}
module hexagonal_pyramid() {
hexagon_r = 2;
hexagon_h = 4.534568;
translate([0, 0, -hexagon_h - r_off])
linear_extrude(hexagon_h, scale = 0.001)
rotate(-30)
circle(hexagon_r, $fn = 6);
}
module one_component_around_pentagonal_pyramid() {
mirror([1, 0, 0])
rotate([0, -a, 60]) {
pentagonal_pyramid();
for(i = [0:1]) {
rotate([0, a, 72 * i])
hexagonal_pyramid();
}
}
}
module half_soccer_polyhedron() {
pentagonal_pyramid();
for(i = [0:4]) {
rotate([0, a, 72 * i])
one_component_around_pentagonal_pyramid();
}
}
scale(scale_f * circumradius) {
half_soccer_polyhedron();
rotate(36)
mirror([0, 0, 1])
half_soccer_polyhedron();
}
}
soccer_polyhedron(10);
%sphere(10, $fn = 48);