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Code Issues Releases Wiki Activity

rotate, not mirror

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Justin Lin
2019-09-15 08:06:45 +08:00
parent 842bb858c0
commit f5f0c7d5f8
1 changed files with 14 additions and 13 deletions
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19
examples/taiwan/spiral_cube.scad
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@@ -4,15 +4,14 @@ min_leng = 2;
model = "Cube"; // [Cube, Base, Both]
module spiral_cube(leng, leng_diff, min_leng) {
thickness = leng_diff / 4.25;
thickness = leng_diff / 3;
starting_leng = leng + leng_diff * 2 + thickness * 2.5;
half_leng = leng / 2;
pow_leng_diff = pow(leng_diff, 2);
module spiral_stack(current_leng, pre_height = 0, i = 0) {
factor = current_leng / starting_leng;
if(current_leng > min_leng && current_leng > leng_diff) {
if(current_leng > min_leng && current_leng > leng_diff && half_leng > pre_height) {
translate([0, 0, pre_height])
scale([factor, factor, 1])
children();
@@ -24,7 +23,7 @@ module spiral_cube(leng, leng_diff, min_leng) {
i + 1
) children();
}
else {
else if(half_leng > pre_height) {
translate([0, 0, pre_height])
scale([factor, factor, (half_leng - pre_height) / thickness])
children();
@@ -32,17 +31,21 @@ module spiral_cube(leng, leng_diff, min_leng) {
}
module spiral_squares() {
difference() {
translate([0, 0, -half_leng])
spiral_stack(leng)
translate([0, 0, thickness / 2])
cube([leng , leng, thickness], center = true);
translate([0, 0, 0.001])
linear_extrude(leng)
square(leng, center = true);
}
}
module pair_spiral_squares() {
spiral_squares();
mirror([0, 0, 1])
//rotate([180, 0, 0])
// mirror([0, 0, 1])
rotate([180, 0, 0])
spiral_squares();
}
@@ -54,8 +57,6 @@ module spiral_cube(leng, leng_diff, min_leng) {
rotate([90, 0, 0]) pair_spiral_squares();
rotate([0, 90, 0]) pair_spiral_squares();
}
}
}