filamenttrestle: define spoolinnerrad in terms of spoolinnerdia with some slop

diff --git a/filamenttrestle.scad b/filamenttrestle.scad
index 4bddd1b62fc11ac3171e16aa80c2e305b8fe03ea..c44167eebc4424af782b01a359c9e90e2d338774 100644 (file)
--- a/filamenttrestle.scad
+++ b/filamenttrestle.scad
@@ -1,7 +1,8 @@
 // -*- C -*-
 
+spoolinnerdia = 40;
 spoolwidth = 88.0;
-spoolinnerrad = 39.8 / 2;
+spoolinnerrad = (spoolinnerdia - 0.2) / 2;
 spoolouterrad = spoolinnerrad + 61.5;
 
 include <doveclip.scad>