From 4c65e12a888cdb828aa50010d318cad8f2d10249 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Fri, 5 Jul 2019 20:06:51 +0800
Subject: [PATCH] add voronoi_bracelet

---
 examples/voronoi_bracelet.scad | 40 ++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 examples/voronoi_bracelet.scad

diff --git a/examples/voronoi_bracelet.scad b/examples/voronoi_bracelet.scad
new file mode 100644
index 00000000..9db5647c
--- /dev/null
+++ b/examples/voronoi_bracelet.scad
@@ -0,0 +1,40 @@
+include <hollow_out.scad>;
+include <voronoi2d.scad>;
+include <bend_extrude.scad>;
+
+r = 35;
+height = 35;
+thickness = 2.5;
+n = 25;
+frags = 24;
+offset_r = 0.5;
+region_type = "square"; // [square, circle]
+
+module voronoi_bracelet(r, height, thickness, n, frags, offset_r, region_type) {
+    $fn = 12;
+    
+    x = 2 * PI * r - thickness;
+    y = height;
+
+    xs = rands(0, x, n);
+    ys = rands(0, y, n);
+
+    points = [for(i = [0: len(xs) - 1]) [xs[i], ys[i]]];
+        
+    bend_extrude(
+        size = [x, y], 
+        thickness = thickness, 
+        angle = 360 * (1 - thickness / (2 * PI * r)), 
+        frags = frags
+    )
+    {
+        difference() {
+            square([x, y]);
+            voronoi2d(points, spacing = thickness, r = offset_r, region_type = region_type);
+        }
+        hollow_out(thickness * 1.5)
+            square([x, y]);
+    }
+}
+
+voronoi_bracelet(r, height, thickness, n, frags, offset_r, region_type);