From 0952206f1678dc293b81a6d70146e97184fcf373 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 18 Jun 2017 11:05:31 +0100
Subject: [PATCH] sewing-table: PostTestPiece prep: make $screw_dia a special
 variable

---
 sewing-table.scad.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 3cd3ce2..19ab138 100644
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -14,7 +14,7 @@ post_dia = 8;
 
 post_shorter = 1;
 
-screw_dia = 3.168;
+$screw_dia = 3.168;
 screw_big_dia = 3.6;
 screw_big_len = 4.0;
 
@@ -151,7 +151,7 @@ module Post(){
 	cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
 	translate([0,0, tile_th]) {
 	  cylinder(r= screw_big_dia/2, h= screw_big_len);
-	  cylinder(r= screw_dia/2, h= ply_th, $fn=20);
+	  cylinder(r= $screw_dia/2, h= ply_th, $fn=20);
 	}
       }
     }
-- 
2.30.2