From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 16 Sep 2012 11:04:11 +0000 (+0100)
Subject: filamentspool hub long arms
X-Git-Tag: filamentspool-v2-release~830
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;ds=sidebyside;h=db5e2d3f3e2bb2792da22498b80a14f888f4e632;p=reprap-play.git

filamentspool hub long arms
---

diff --git a/filamentspool.scad b/filamentspool.scad
index 24ceded..19aa12c 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -5,7 +5,7 @@ fdia=1.75;
 slop=0.5;
 bigslop=slop*2;
 
-hubeffrad = 30;
+hubeffrad = 30 + 55;
 hubbigrad = 20;
 hublwidth = 4;
 hublthick = 10;
@@ -189,17 +189,25 @@ module Hub(){
     cylinder(h=hublthick, r=hubbigrad);
     translate([0,0,-1]) cylinder(h=hublthick+2, r=(hubbigrad-hublwidth));
   }
-  axlerad = hubaxlerad + slop;
+  axlerad = hubaxlerad + bigslop;
   difference(){
     cylinder(h=hubaxlelen, r=axlerad+hublwidth);
     translate([0,0,-1]) cylinder(h=hubaxlelen+2, r=axlerad);
   }
+  hole = hubeffrad - hubbigrad - DoveClip_depth() - hublwidth*2;
+  holewidth = DoveClip_width() - hubstemwidth*2;
   for (ang=[0,120,240])
     rotate([0,0,ang]) {
-      translate([hubeffrad,0,0])
-	DoveClipPairSane(h=doveclipheight,
-			 baseextend = (hubeffrad - DoveClip_depth()
-				       - hubbigrad + hublwidth));
+      difference() {
+	translate([hubeffrad,0,0])
+	  DoveClipPairSane(h=doveclipheight,
+			   baseextend = (hubeffrad - DoveClip_depth()
+					 - hubbigrad + hublwidth));
+	if (hole>hublwidth && holewidth > 2) {
+	  translate([hubbigrad + hublwidth, -holewidth/2, -1])
+	    cube([hole, holewidth, hublthick+2]);
+	}
+      }
     }
   xmin = axlerad+hublwidth/2;
   xmax = hubbigrad-hublwidth/2;