sewing-table: PostTestPiece prep: make $screw_dia a special variable

diff --git a/sewing-table.scad.m4 b/sewing-table.scad.m4
index 3cd3ce252d8eef142a8f8f027497f5917d18a3e6..19ab13872a951559431aef85f0b8445181f1a9c8 100644 (file)
--- a/sewing-table.scad.m4
+++ b/sewing-table.scad.m4
@@ -14,7 +14,7 @@ post_dia = 8;
 
 post_shorter = 1;
 
 
 post_shorter = 1;
 

-screw_dia = 3.168;
+$screw_dia = 3.168;

 screw_big_dia = 3.6;
 screw_big_len = 4.0;
 
 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= 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);

        }
       }
     }
        }
       }
     }