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https://github.com/JustinSDK/dotSCAD.git
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102 lines
3.7 KiB
OpenSCAD
102 lines
3.7 KiB
OpenSCAD
use <archimedean_spiral.scad>
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use <arc.scad>
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chars = "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989";
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module heart(radius, center = false) {
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rotated_angle = 45;
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diameter = radius * 2;
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module heart_sub_component() {
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translate([-radius * cos(rotated_angle), 0, 0])
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rotate(-rotated_angle) {
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circle(radius);
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translate([0, -radius, 0])
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square(diameter);
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}
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}
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offsetX = center ? 0 : radius + radius * cos(45);
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offsetY = center ? 1.5 * radius * sin(45) - 0.5 * radius : 3 * radius * sin(45);
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translate([offsetX, offsetY, 0]) {
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heart_sub_component();
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mirror([1, 0, 0]) heart_sub_component();
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}
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}
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module heart_with_ears(heart_width, thickness, spacing) {
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module ear(radius, thickness, spacing) {
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width = radius / 1.5;
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linear_extrude(thickness)
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arc(radius, [0, 240], width, "LINE_OUTWARD");
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translate([0, 0, thickness + spacing])
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linear_extrude(thickness)
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arc(radius, [240, 360], width, "LINE_OUTWARD");
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linear_extrude(thickness * 2 + spacing)
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arc(radius, [0, 20], width, "LINE_OUTWARD");
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}
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heart_radius = 0.5 * heart_width / (1 + cos(45));
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ring_radius = heart_radius / 3;
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ring_x = (heart_width / 2 + spacing) * 1.075;
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ring_y = heart_radius * sin(60);
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ring_thickness = 0.5 * (thickness - spacing);
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linear_extrude(thickness)
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heart(heart_radius, center = true);
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translate([ring_x, ring_y, 0])
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rotate(-40)
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ear(ring_radius, ring_thickness, spacing);
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translate([-ring_x, ring_y, 0])
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rotate(125)
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ear(ring_radius, ring_thickness, spacing);
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}
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module text_heart(char, width, thickness, spacing) {
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radius = 0.5 * width / (1 + cos(45));
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half_thickness = thickness / 2;
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difference() {
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heart_with_ears(width, thickness, spacing);
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translate([0, 0, half_thickness])
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linear_extrude(half_thickness)
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offset(-half_thickness)
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heart(radius, center = true);
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}
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translate([0, radius / 4, half_thickness])
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linear_extrude(half_thickness)
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text(char, font = "Arial Black", size = radius * 1.2, valign = "center", halign="center");
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}
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module heart_chain(chars) {
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$fn = 48;
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heart_thickness = 2.5;
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heart_width = 18;
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spacing = 0.5;
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leng = len(chars);
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points_angles = archimedean_spiral(
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arm_distance = 20,
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init_angle = 720,
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point_distance = 23.8,
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num_of_points = leng
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);
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for(i = [0:leng - 1]) {
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pt = points_angles[i][0];
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angle = points_angles[i][1];
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translate(pt)
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rotate(angle + 90)
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text_heart(chars[i], heart_width, heart_thickness, spacing);
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}
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}
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heart_chain(chars);
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