# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1393098449 -3600
# Node ID aa1d96706187cc810a48c5eedb82711870656ee2
# Parent  10d76f571674be3b30675ef893fc18ab54e4f953
Added the extra PCB support "bumps" inside the top of the case.

diff -r 10d76f571674 -r aa1d96706187 cartridge.scad
--- a/cartridge.scad	Sat Feb 22 20:20:27 2014 +0100
+++ b/cartridge.scad	Sat Feb 22 20:47:29 2014 +0100
@@ -174,6 +174,7 @@
 	pcb_back_support_right_bump_height = 10.7;
 	pcb_back_support_left_bump_offset_from_bottom = 15.1;
 	pcb_back_support_right_bump_offset_from_bottom = 17.6;
+	pcb_back_support_top_bump_height = 3.8;
 
 	/* Move the PCB support towards the centre. */
 	pcb_support_margin = 0.55;
@@ -201,9 +202,15 @@
 				pcb_back_support_height,
 				xdir, 1, 1)
 				union() {
+
+					/* Underlying support strut. */
+
 					cube([pcb_back_support_width,
 						pcb_back_support_depth,
 						pcb_back_support_height], center = true);
+
+					/* Middle bump. */
+
 					cube_at(pcb_back_support_bump_width,
 						pcb_back_support_bump_depth,
 						bump_height,
@@ -211,6 +218,17 @@
 						0,
 						-pcb_back_support_depth / 2,
 						-pcb_back_support_height / 2 + bump_offset);
+
+					/* Top bump. */
+
+					cube_at(pcb_back_support_bump_width,
+						pcb_back_support_bump_depth,
+						pcb_back_support_top_bump_height,
+						0, -1, 1,
+						0,
+						-pcb_back_support_depth / 2,
+						pcb_back_support_height / 2 -
+							pcb_back_support_top_bump_height);
 				}
 	}