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Justin Lin
2022-04-01 13:58:01 +08:00
parent bb9c630e20
commit 356966b8f6
4 changed files with 71 additions and 71 deletions
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52
examples/trefoil_klein_bottle.scad
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@@ -16,21 +16,21 @@ module dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_
module bottom() {
rotate(180)
rotate_extrude() {
ph1 = arc_path(radius = radius2, angle = [180, 360]);
ph2 = bezier_curve(t_step, [
[radius1 + radius2 * 2, 0, 0],
[radius1 + radius2 * 2, bottom_height * 0.25, 0],
[radius1 + radius2 * 0.5, bottom_height * 0.5, 0],
[radius1, bottom_height * 0.75, 0],
[radius1, bottom_height * 1.015, 0]
]);
path = concat([for(p = ph1) p + [radius1 + radius2, 0, 0]], ph2);
polyline_join(path)
circle(half_thickness);
}
rotate_extrude() {
ph1 = arc_path(radius = radius2, angle = [180, 360]);
ph2 = bezier_curve(t_step, [
[radius1 + radius2 * 2, 0, 0],
[radius1 + radius2 * 2, bottom_height * 0.25, 0],
[radius1 + radius2 * 0.5, bottom_height * 0.5, 0],
[radius1, bottom_height * 0.75, 0],
[radius1, bottom_height * 1.015, 0]
]);
path = concat([for(p = ph1) p + [radius1 + radius2, 0, 0]], ph2);
polyline_join(path)
circle(half_thickness);
}
}
module tube() {
@@ -75,17 +75,17 @@ module dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_
bottom();
rotate(-90)
path_extrude(
shape_circle(radius1 + half_thickness),
tube_path
);
path_extrude(
shape_circle(radius1 + half_thickness),
tube_path
);
}
rotate(-90)
path_extrude(
shape_circle(radius1 - half_thickness),
tube_path2
);
path_extrude(
shape_circle(radius1 - half_thickness),
tube_path2
);
}
}
@@ -94,17 +94,17 @@ module dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_
module trefoil_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn) {
rotate(90)
dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn);
dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn);
translate([0, -26.9, 151.35]) // try-and-error
rotate([-120, 0, 0])
rotate(90)
dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn);
dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn);
translate([0, 117.59, 98.975]) // try-and-error
rotate([120, 0, 0])
rotate(90)
dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn);
dis_connected_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn);
}
module trefoil_cutted_klein_bottle(radius1, radius2, bottom_height, thickness, t_step, fn) {