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add type, one_spiral params

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Justin Lin 2022-06-05 21:01:58 +08:00
parent 9333145a6d
commit 6bfe94ce1c
1 changed files with 82 additions and 75 deletions
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139
examples/spiral/golden_spiral_jigsaw.scad
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@ -3,13 +3,16 @@ use <util/radians.scad>;
use <util/lerp.scad>;
use <ptf/ptf_rotate.scad>;
spirals = 8;
spirals = 7;
start_n = 1; // spiral start from 360 / spirals * start_n
degrees = 150;
thickness = 2.5;
offset_r = 0.4;
$fn = 24;
model = "ALL";
one_spiral = false;
golden_spiral_jigsaw();
module golden_spiral_jigsaw() {
@ -71,89 +74,93 @@ module golden_spiral_jigsaw() {
polygons = piece_polygons(start, a_step, degrees * 2);
for(i = [0:spirals - 1]) {
rotate(a_step * i)
for(j = [0:len(polygons) - 5]) {
poly = polygons[j];
u_poly = polygons[j + 1];
r_poly = [
for(p = polygons[j + 4])
ptf_rotate(p, a_step * (spirals - 1))
];
if(model != "PLATE") {
for(i = [0:one_spiral ? 0 : spirals - 1]) {
rotate(a_step * i)
for(j = [0:len(polygons) - 5]) {
poly = polygons[j];
u_poly = polygons[j + 1];
r_poly = [
for(p = polygons[j + 4])
ptf_rotate(p, a_step * (spirals - 1))
];
// a piece with blanks
difference() {
offset(-offset_rr / 2)
polygon(poly);
// a piece with blanks
difference() {
offset(-offset_rr / 2)
polygon(poly);
interlocking_part1(u_poly, offset_rr);
interlocking_part2(r_poly, offset_rr);
interlocking_part1(u_poly, offset_rr);
interlocking_part2(r_poly, offset_rr);
}
// tabs
interlocking_part1(poly, 0);
interlocking_part2(poly, 0);
}
// tabs
interlocking_part1(poly, 0);
interlocking_part2(poly, 0);
}
}
// plate
polygons2 = piece_polygons(-a_step, a_step, start + a_step * 4);
points = [
for(d = [-start:a_step / 4:start])
let(
theta = radians(d),
r = pow(phi, theta * 2 / PI)
)
r * [cos(d), sin(d)]
];
if(model != "SPIRALS") {
// plate
polygons2 = piece_polygons(-a_step, a_step, start + a_step * 4);
points = [
for(d = [-start:a_step / 4:start])
let(
theta = radians(d),
r = pow(phi, theta * 2 / PI)
)
r * [cos(d), sin(d)]
];
render()
difference() {
union() {
for(i = [0:spirals - 1]) {
rotate(a_step * i)
difference() {
render()
difference() {
union() {
for(i = [0:spirals - 1]) {
rotate(a_step * i)
difference() {
offset(-offset_rr / 2)
union()
for(j = [0:len(polygons2) - 13]) {
poly = polygons2[j];
polygon(poly);
}
offset(-offset_rr / 2)
union()
for(j = [0:len(polygons2) - 13]) {
poly = polygons2[j];
polygon(poly);
}
for(j = [0:len(polygons2) - 5]) {
poly = polygons2[j];
// a piece with blanks
difference() {
//polygon(poly);
u_poly = polygons2[j + 1];
r_poly = [
for(p = polygons2[j + 4])
ptf_rotate(p, a_step * (spirals - 1))
];
for(j = [0:len(polygons2) - 5]) {
poly = polygons2[j];
// a piece with blanks
difference() {
//polygon(poly);
u_poly = polygons2[j + 1];
r_poly = [
for(p = polygons2[j + 4])
ptf_rotate(p, a_step * (spirals - 1))
];
union() {
if(j >= start_n * 4) {
interlocking_part2(r_poly, offset_rr);
}
union() {
if(j >= start_n * 4) {
interlocking_part2(r_poly, offset_rr);
}
if(j >= start_n * 4 + 3) {
interlocking_part1(u_poly, offset_rr);
if(j >= start_n * 4 + 3) {
interlocking_part1(u_poly, offset_rr);
}
}
}
}
}
}
}
circle(pow(phi, radians(start) / PI) * 0.95);
}
circle(pow(phi, radians(start) / PI) * 0.95);
}
union()
for(i = [0:spirals - 1]) {
rotate(a_step * i)
polyline_join(points)
circle(offset_rr / 2);
union()
for(i = [0:spirals - 1]) {
rotate(a_step * i)
polyline_join(points)
circle(offset_rr / 2);
}
}
}
}