commitid-cube-test: TT test

[reprap-play.git] / axlepin.scad

diff --git a/axlepin.scad b/axlepin.scad
index b684f047ca3cd31268f9c0518914f0b6dc15d1e4..8b47771c5e47636b98cb2f24258a94a362594d53 100644 (file)
--- a/axlepin.scad
+++ b/axlepin.scad
@@ -1,20 +1,44 @@
 // -*- C -*-
+//
+// axlepin.scad
+//
+// 3D designs for for securing things on axles
+// Copyright 2012,2016 Ian Jackson
+//
+// This work is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This work is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this work.  If not, see <http://www.gnu.org/licenses/>.
+
+
 
 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);