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add fidget_pumpkin

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Justin Lin 2022-09-25 19:43:12 +08:00
parent fbb4024168
commit 17d6364865
1 changed files with 118 additions and 0 deletions
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examples/spiral_polygons/fidget_pumpkin.scad Normal file
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beginning_radius = 7.5;
number_of_polygons = 6;
height = 15;
thickness = 1;
spacing = 1;
slope = 0.58;
central_scale = 1;
$fn = 12;
fidget_pumpkin(beginning_radius, number_of_polygons, height, thickness, spacing, slope, central_scale);
module fidget_pumpkin(beginning_radius, n, height, thickness, spacing, slope, central_scale) {
fn = 8;
theta = 180 / fn;
y = beginning_radius - beginning_radius * cos(theta);
dr = y / cos(theta) + thickness + spacing;
module pumpkin(r) {
scale(0.7 * r)
translate([0, .125]) {
scale([1, 1.15]) {
scale([1.2, 1.325])
circle(1);
scale([1.2, 1.3])
translate([-.5, 0])
circle(1);
scale([1.2, 1.3])
translate([.5, 0])
circle(1);
}
hull() {
translate([.1, 1.4])
circle(.25);
translate([.15, 1.5])
circle(.15);
}
}
}
module eye() {
scale([1.2, 1] * 1.25)
difference() {
circle(1.5);
translate([0, 2])
square(3, center = true);
}
}
rs = [for(i = [0: n + 1]) beginning_radius + i * dr];
half_height = height / 2;
s = [for(i = [1: n + 1]) (rs[i] + slope * half_height) / rs[i]];
module half() {
translate([0, 0, -half_height]) {
//translate([0, 0, -4])
difference() {
linear_extrude(half_height, scale = s[0])
scale(central_scale)
pumpkin(beginning_radius);
linear_extrude(thickness * 2, center = true) {
translate([beginning_radius * 0.5, beginning_radius * 0.45])
rotate(25)
eye();
translate([-beginning_radius * 0.5, beginning_radius * 0.45])
rotate(-25)
eye();
}
linear_extrude(thickness * 2, center = true)
difference() {
translate([0, -1.25])
scale([1.6, 1])
difference() {
circle(4);
translate([0, 4.75])
square(8, center = true);
}
translate([-beginning_radius * 0.45, 0])
rotate(-85)
circle(2.5, $fn = 3);
translate([beginning_radius * 0.45, 0])
rotate(-95)
circle(2.5, $fn = 3);
translate([0, beginning_radius * -0.7])
rotate(-30)
circle(2.5, $fn = 3);
}
}
for(i = [1:n - 1]) {
linear_extrude(half_height, scale = s[i])
difference() {
pumpkin(rs[i]);
pumpkin(rs[i] - thickness);
}
}
}
}
half();
mirror([0, 0, 1])
half();
}