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add shell param

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This commit is contained in:
Justin Lin
2021-09-18 12:22:46 +08:00
parent 702aab846e
commit 704ed1e725
1 changed files with 8 additions and 5 deletions
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13
examples/tiles/penrose_basket.scad
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@@ -10,11 +10,12 @@ basket_radius = 40;
radius_in_plane = basket_radius / 1.25 / cos(36); radius_in_plane = basket_radius / 1.25 / cos(36);
n = 4; n = 4;
line_diameter = 2; line_diameter = 2;
shell = "YES";
$fn = 4; $fn = 4;
penrose_basket(basket_radius, radius_in_plane, n, line_diameter); penrose_basket(basket_radius, radius_in_plane, n, line_diameter, shell);
module penrose_basket(basket_radius, radius_in_plane, n, line_diameter) { module penrose_basket(basket_radius, radius_in_plane, n, line_diameter, shell) {
tris = tile_penrose3(n); tris = tile_penrose3(n);
for(t = tris) { for(t = tris) {
@@ -26,10 +27,12 @@ module penrose_basket(basket_radius, radius_in_plane, n, line_diameter) {
line_diameter line_diameter
); );
inward_ratio = (basket_radius - 0.25 * line_diameter) / basket_radius; if(shell == "YES") {
outward_ratio = (basket_radius + 0.25 * line_diameter) / basket_radius; inward_ratio = (basket_radius - 0.25 * line_diameter) / basket_radius;
outward_ratio = (basket_radius + 0.25 * line_diameter) / basket_radius;
polyhedron_hull(concat(pts * outward_ratio, pts * inward_ratio), polyhedron_abuse = true); polyhedron_hull(concat(pts * outward_ratio, pts * inward_ratio), polyhedron_abuse = true);
}
} }
} }
} }