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118 lines
3.0 KiB
OpenSCAD
118 lines
3.0 KiB
OpenSCAD
beginning_radius = 7.5;
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number_of_polygons = 6;
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height = 15;
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thickness = 1;
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spacing = 1.35;
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slope = 0.58;
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central_scale = 1;
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$fn = 12;
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fidget_pumpkin(beginning_radius, number_of_polygons, height, thickness, spacing, slope, central_scale);
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module fidget_pumpkin(beginning_radius, n, height, thickness, spacing, slope, central_scale) {
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fn = 8;
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theta = 180 / fn;
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y = beginning_radius - beginning_radius * cos(theta);
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dr = y / cos(theta) + thickness + spacing;
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module pumpkin(r) {
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scale(0.7 * r)
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translate([0, .125]) {
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scale([1, 1.15]) {
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scale([1.2, 1.325])
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circle(1);
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scale([1.2, 1.3])
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translate([-.5, 0])
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circle(1);
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scale([1.2, 1.3])
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translate([.5, 0])
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circle(1);
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}
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hull() {
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translate([.1, 1.4])
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circle(.25);
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translate([.15, 1.5])
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circle(.15);
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}
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}
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}
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module eye() {
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scale([1.2, 1] * 1.25)
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difference() {
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circle(1.5);
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translate([0, 2])
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square(3, center = true);
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}
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}
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rs = [for(i = [0: n + 1]) beginning_radius + i * dr];
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half_height = height / 2;
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s = [for(i = [1: n + 1]) (rs[i] + slope * half_height) / rs[i]];
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module half() {
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translate([0, 0, -half_height]) {
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//translate([0, 0, -4.5])
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difference() {
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linear_extrude(half_height, scale = s[0])
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scale(central_scale)
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pumpkin(beginning_radius);
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linear_extrude(thickness * 2, center = true) {
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translate([beginning_radius * 0.5, beginning_radius * 0.45])
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rotate(25)
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eye();
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translate([-beginning_radius * 0.5, beginning_radius * 0.45])
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rotate(-25)
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eye();
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}
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linear_extrude(thickness * 2, center = true)
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difference() {
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translate([0, -1.25])
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scale([1.6, 1])
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difference() {
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circle(4);
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translate([0, 4.75])
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square(8, center = true);
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}
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translate([-beginning_radius * 0.45, 0])
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rotate(-85)
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circle(2.5, $fn = 3);
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translate([beginning_radius * 0.45, 0])
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rotate(-95)
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circle(2.5, $fn = 3);
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translate([0, beginning_radius * -0.7])
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rotate(-30)
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circle(2.5, $fn = 3);
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}
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}
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for(i = [1:n - 1]) {
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linear_extrude(half_height, scale = s[i])
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difference() {
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pumpkin(rs[i]);
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pumpkin(rs[i] - thickness);
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}
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}
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}
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}
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half();
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mirror([0, 0, 1])
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half();
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} |