From 362962f3b6c682e7334b3313ae961eaa0ea3b044 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 5 Sep 2015 14:31:22 +0100
Subject: [PATCH 1/1] fire-blanket-wall-mushroom: no csink

---
 fire-blanket-wall-mushroom.scad | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/fire-blanket-wall-mushroom.scad b/fire-blanket-wall-mushroom.scad
index 0ccd95f..8db912c 100644
--- a/fire-blanket-wall-mushroom.scad
+++ b/fire-blanket-wall-mushroom.scad
@@ -7,9 +7,6 @@ diskrad = 12.0 / 2 - 0.25;
 
 csinkpart = 0.5;
 
-csinkdepth = 3.4 * csinkpart;
-screwheadrad = (8.1 * csinkpart + screwrad * (1-csinkpart)) / 2 + 0.30;
-
 shaftlen = 4;
 
 diskthick = 1.5;
@@ -25,13 +22,12 @@ echo(disktaperrad, screwheadrad);
 echo(diskrad, disktaperrad, shaftrad, screwheadrad, screwrad);
 
 module SidePlan(){
-  polygon([[-screwheadrad, 0],
+  polygon([[-screwrad, 0],
 	   [-disktaperrad, 0],
 	   [-diskrad, -diskthick],
 	   [-shaftrad, -diskthick],
 	   [-shaftrad, -totallen],
-	   [-screwrad, -totallen],
-	   [-screwrad, -csinkdepth]]);
+	   [-screwrad, -totallen]]);
 }
 
 SidePlan();
-- 
2.30.2