From 98ac69444e6999dc9f9a57dfa175651a9fa0b5c7 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 9 Feb 2016 21:53:35 +0000
Subject: [PATCH] filamentspool: Break out hub_clip_baseextend (nfc)

---
 filamentspool.scad | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/filamentspool.scad b/filamentspool.scad
index 0eba9fa..c2dc617 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -247,6 +247,9 @@ include <cliphook.scad>
 include <filamentteeth.scad>
 include <axlepin.scad>
 
+hub_clip_baseextend = (hubeffrad - DoveClip_depth()
+		       - hubbigrad + hublwidth);
+
 real_exteffrad = selsz(exteffrad,
 		       hubeffrad + DoveClip_depth(),
 		       hubeffrad + nondove_armbase);
@@ -472,8 +475,7 @@ module Hub(){ ////toplevel
 	    difference() {
 	      translate([hubeffrad,0,0])
 		DoveClipPairSane(h=doveclipheight,
-				 baseextend = (hubeffrad - DoveClip_depth()
-					       - hubbigrad + hublwidth));
+				 baseextend = hub_clip_baseextend);
 	      if (hole>hublwidth && holewidth > 2) {
 		translate([hubbigrad + hublwidth, -holewidth/2, -1])
 		  cube([hole, holewidth, hublthick+2]);
-- 
2.30.2