From 6e4f99f514806fccef1e7073080e4f769011d8be Mon Sep 17 00:00:00 2001
From: Elena of Valhalla'' Grandi <valhalla@trueelena.org>
Date: Sat, 28 Jun 2014 22:38:17 +0200
Subject: New die: d20

---
 lib/utils.scad | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/utils.scad')

diff --git a/lib/utils.scad b/lib/utils.scad
index 7661b2f..6241712 100644
--- a/lib/utils.scad
+++ b/lib/utils.scad
@@ -9,3 +9,5 @@ function s2s_d8(size) = circ_rad(size)*2/sqrt(2);
 
 function s2s_d12(size) = circ_rad(size)*4/(sqrt(3)*(1+sqrt(5)));
 
+function s2s_d20(size) = circ_rad(size)*4/(sqrt(10+2*sqrt(5)));
+
-- 
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