From 9362d76a5fa762aac6e2908f6987eae64d47b208 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 11 Oct 2012 01:42:49 +0100
Subject: [PATCH] filamenttrestle adjust block hole

---
 filamenttrestle.scad | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/filamenttrestle.scad b/filamenttrestle.scad
index c45e8af..7725876 100644
--- a/filamenttrestle.scad
+++ b/filamenttrestle.scad
@@ -24,7 +24,7 @@ trestlebaseh = 10;
 trestleplugd = 1;
 
 topblockthick = 4;
-topblockbasedepth = 4;
+topblockbasedepth = 5;
 
 pinbasew = 5.0;
 pinminh = 1.5;
@@ -38,15 +38,17 @@ pinstraightlen = 10;
 module Plug(d=0){
   dw = d;
   dh = d;
+  dhb = d*2;
   a = atan(plugslope);
-  bdx = dw / cos(a);
+  bdy = -dhb;
+  bdx = dw / cos(a) + bdy * plugslope;
   tdy = dh;
-  tdx = bdx + dh * plugslope;
+  tdx = bdx + tdy * plugslope;
   translate([-d,0,0]) rotate([90,0,90]) linear_extrude(height=plugl+0.1+d*2){
-    polygon([[-(plugwmin/2 + bdx),  0],
+    polygon([[-(plugwmin/2 + bdx),  bdy],
 	     [-(plugwmax/2 + tdx),  plugh + tdy],
 	     [+(plugwmax/2 + tdx),  plugh + tdy],
-	     [+(plugwmin/2 + bdx),  0]]);
+	     [+(plugwmin/2 + bdx),  bdy]]);
   }
 }
 
-- 
2.30.2