X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=axlepin.scad;h=554a382a66950be25f11c4db54ef1319febf59da;hp=b684f047ca3cd31268f9c0518914f0b6dc15d1e4;hb=cb9e6adc985c9b39bf8b7bf08e344f3790066fc1;hpb=255488c56e740b39966c5601344ac905e4bcbc28

diff --git a/axlepin.scad b/axlepin.scad
index b684f04..554a382 100644
--- a/axlepin.scad
+++ b/axlepin.scad
@@ -1,20 +1,24 @@
 // -*- C -*-
 
 function AxlePin_holerad() = 2;
+function AxlePin_zoffset(holerad=2, slop=0.5) = (holerad - slop)*0.7;
 
 module AxlePin(axlerad, pinlen, holerad=2, tabthick=5, slop=0.5){
   pinr = holerad - slop;
   intersection(){
-    translate([0, 0, pinr*0.7]) {
+    union(){
       translate([0, -pinlen/2, 0]) rotate([-90,0,0])
 	cylinder(r=pinr, h=pinlen, $fn=10);
       translate([-tabthick, axlerad, -holerad])
 	cube([tabthick*2, holerad*2, holerad*2]);
     }
-    translate([-50,-50,0]) cube([100,100,50]);
+    translate([-50,-50,-AxlePin_zoffset(holerad,slop)])
+      cube([100,100,50]);
   }
 }
 
+function Washer_thick() = 1.2;
+
 module Washer(axlerad, washerrad, thick=1.2, slop=0.5){
   difference(){
     cylinder(h=thick, r=washerrad);