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Justin Lin
2019-09-24 13:41:32 +08:00
parent d258a062ea
commit 3704abf382
1 changed files with 4 additions and 4 deletions
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8
examples/triangle2square/triangle2square.scad → examples/triangle2square/triangle2square_pendant.scad
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@@ -10,7 +10,7 @@ chain_hole = "YES"; // [YES, NO]
chain_hole_width = 2.5; chain_hole_width = 2.5;
// https://www.cs.purdue.edu/homes/gnf/book2/trisqu.html // https://www.cs.purdue.edu/homes/gnf/book2/trisqu.html
function triangle_square(tri_side_leng) = function triangle2square(tri_side_leng) =
let( let(
p0 = [0, 0], p0 = [0, 0],
p1 = tri_side_leng * [0.25, 0.4330125], p1 = tri_side_leng * [0.25, 0.4330125],
@@ -31,7 +31,7 @@ function triangle_square(tri_side_leng) =
) )
[pieces, hinged_pts]; [pieces, hinged_pts];
module triangle2square(tri_side_leng, height, spacing, ring_width, shaft_r) { module triangle2square_pendant(tri_side_leng, height, spacing, ring_width, shaft_r) {
half_tri_side_leng = tri_side_leng / 2; half_tri_side_leng = tri_side_leng / 2;
half_h = height / 2; half_h = height / 2;
@@ -61,7 +61,7 @@ module triangle2square(tri_side_leng, height, spacing, ring_width, shaft_r) {
offsetd = -spacing / 2; offsetd = -spacing / 2;
tri_sq = triangle_square(tri_side_leng); tri_sq = triangle2square(tri_side_leng);
linear_extrude(height) { linear_extrude(height) {
difference() { difference() {
offset(offsetd) polygon(tri_sq[0][0]); offset(offsetd) polygon(tri_sq[0][0]);
@@ -94,7 +94,7 @@ module triangle2square(tri_side_leng, height, spacing, ring_width, shaft_r) {
$fn = 36; $fn = 36;
difference() { difference() {
triangle2square(tri_side_leng, height, spacing, ring_width, shaft_r); triangle2square_pendant(tri_side_leng, height, spacing, ring_width, shaft_r);
if(chain_hole == "YES") { if(chain_hole == "YES") {
translate([spacing * 1.5, spacing, height / 2]) translate([spacing * 1.5, spacing, height / 2])
linear_extrude(chain_hole_width, center = true) linear_extrude(chain_hole_width, center = true)