X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=filamentspool.scad;h=4cd3b67f575ff876387d33731f59de4c1a79e497;hb=32aa0eaa813a49404630a3da95e28abb57ac38f9;hp=4babfbbef199b953c7e8d7f90aa296fedd873b38;hpb=1527bcde0076d3aa4bdffdef3b803d3f178f897f;p=reprap-play.git

diff --git a/filamentspool.scad b/filamentspool.scad
index 4babfbb..4cd3b67 100644
--- a/filamentspool.scad
+++ b/filamentspool.scad
@@ -58,6 +58,7 @@ towerclipcount = 3;
 towerpillarw = 5;
 
 washerthick = 1.2;
+washerrad = hubaxlerad + 10;
 
 ratchetpawl=ratchetstep-ratchettooth-bigslop*2;
 
@@ -238,6 +239,10 @@ module ArmExtender(){ ////toplevel
 		   hb=doveclipheight);
 }
 
+module AxleSplitPin(){ ////toplevel
+  SplitPin();
+}
+
 module Axle(){ ////toplevel
   pillarswidth = DoveClipPairSane_width(towerclipcount);
 
@@ -254,12 +259,26 @@ module Axle(){ ////toplevel
   axleclearlen = hubaxlelen + slop*2 + washerthick;
   axlerad = hubaxlerad+slop;
   bump = axlerad * 0.2;
+  shift = axlerad-bump;
+  joinbelowallow = 3;
 
   intersection(){
     difference() {
-      translate([-1, 0, axlerad-bump])
-	rotate([0,90,0])
-	cylinder(r = axlerad, h = 1 + axleclearlen + 6);
+      translate([0, 0, shift])
+      union(){
+	translate([-1, 0, 0])
+	  rotate([0,90,0])
+	  cylinder(r = axlerad, h = 1 + axleclearlen + 6);
+	mirror([1,0,0]) rotate([0,90,0])
+	  cylinder(r = washerrad, h = 3);
+	intersection(){
+	  mirror([1,0,0]) rotate([0,90,0])
+	    cylinder(r = towercliph - shift,
+		     h = pillarswidth/2 + axlehorizoffset);
+	  translate([-50, -joinbelowallow, -50])
+	    cube([100, joinbelowallow+50, 100]);
+	}
+      }
       translate([axleclearlen, 0, 0])
 	mirror([0,0,1])
 	rotate([0,0,90])