sleepphone-cable-box: introduce keeper_stalk_thick, nfc

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/sleepphone-cable-box.scad b/sleepphone-cable-box.scad
index 7a678b7cd90660fa3a202876fc9c7c9d1824a30b..d04fc4534d53e07e9d5ad0c1058f32bfbdcca673 100644 (file)
--- a/sleepphone-cable-box.scad
+++ b/sleepphone-cable-box.scad
@@ -35,6 +35,7 @@ keeper_prong = 2;
 keeper_stalk_basewidth = 4;
 keeper_stalk_len = 70;
 keeper_stalk_gap = 2;
+keeper_stalk_thick = wall_bot;
 
 // calculated
 
@@ -116,8 +117,8 @@ module PlugKeeperStalkProfile(){
 
 module PlugKeeper(){
   for (m=[0,1]) mirror([0,m,0]) {
-      translate([0,0, -wall[2]])
-       linear_extrude(height=plug_h + wall[2])
+      translate([0,0, -keeper_stalk_thick])
+       linear_extrude(height=plug_h + keeper_stalk_thick)
        PlugKeeperProfileHalf();
 
       translate([0, 0, plug_h - plug_tooth_h])
@@ -127,8 +128,8 @@ module PlugKeeper(){
 
     }
 
-  translate([0,0, -wall[2]])
-    linear_extrude(height = wall[2])
+  translate([0,0, -keeper_stalk_thick])
+    linear_extrude(height = keeper_stalk_thick)
     PlugKeeperStalkProfile();
 }