From 9d7f5e67ca35ab63a97340aa2af4d6ee33afa8e0 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 10 Oct 2012 21:39:21 +0100
Subject: [PATCH] filamenttrestle wip pin holes

---
 filamenttrestle.scad | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/filamenttrestle.scad b/filamenttrestle.scad
index 57f52ad..1ef23fe 100644
--- a/filamenttrestle.scad
+++ b/filamenttrestle.scad
@@ -25,6 +25,10 @@ trestleplugd = 1;
 topcylthick = 3;
 topcylbasedepth = 4;
 
+pindr = 0.5;
+pinholeminr = 1.0 + pindr;
+pinholemaxr = 1.5 + pindr;
+
 module Plug(d=0){
   a = -atan(plugslope);
   tdx = d * cos(a);
@@ -91,6 +95,17 @@ module Trestle(){
 
     rotate([-90,-90,0])
       Plug(d=trestleplugd);
+
+    for (rot=[0,180]) {
+      translate([0,0,plugl/2]) rotate([0,rot,0]) translate([0,0,-plugl/2]) {
+	translate([-(topcylw/2+1), plugh, plugl/4])
+	  rotate([0,90,0])
+	  cylinder(r1=pinholeminr, r2=pinholeminr, h=topcylw/2+2, $fn=20);
+	translate([0, plugh, plugl/4])
+	  rotate([0,90,0])
+	  cylinder(r1=pinholeminr, r2=pinholemaxr, h=topcylw/2+1, $fn=20);
+      }
+    }
   }
 }
 
-- 
2.30.2