earring-stand: before use FArcSegment

diff --git a/earring-stand.scad b/earring-stand.scad
new file mode 100644 (file)
index 0000000..52ad317
--- /dev/null
+++ b/earring-stand.scad
@@ -0,0 +1,24 @@
+// -*- C -*-
+
+eclip_inner_rad = 2.5;
+eclip_gap_rad = 0.5;
+eclip_prong_th = 3;
+eclip_outer_strt = 0.5;
+eclip_inner_xstrt = 0.5;
+
+// calculated
+
+eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
+
+r0 = eclip_inner_rad;
+r1 = r0 + eclip_inner_rad;
+r2 = r1 + eclip_prong_th;
+
+module EclipLPlanCore(alpha){
+  difference(){
+    circle(r = r2);
+    circle(r = r1);
+  }
+}
+
+EclipLPlanCore(10);