# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1390171661 -3600
# Node ID 10b4ecdce9af2df1e37d71287a8f6f81d4dd51f2
# Parent  c500260d6eb385f4a3062b81257fabfa4d8f4685
Added PCB support struts to the back part of the cartridge.

diff -r c500260d6eb3 -r 10b4ecdce9af cartridge.scad
--- a/cartridge.scad	Sun Jan 19 01:37:04 2014 +0100
+++ b/cartridge.scad	Sun Jan 19 23:47:41 2014 +0100
@@ -89,6 +89,13 @@
 	back_right = 2;
 	bottom = 2;
 
+	/* Extra internal features. */
+
+	pcb_back_support_width = 1.0;
+	pcb_back_support_depth = back_depth -
+		edge_connector_cutout_back_depth;
+	pcb_back_support_height = height - bottom_from_base - top - bottom;
+
 	translate([0, -20, 0])
 	difference() {
 
@@ -227,6 +234,26 @@
 						edge_connector_cutout_back_depth,
 						bottom + extra], center = true);
 			}
+
+			/* PCB supports. */
+
+			translate([-edge_connector_cutout_back_width / 2 +
+					pcb_back_support_width / 2,
+				edge_connector_cutout_back_depth +
+					pcb_back_support_depth / 2,
+				-height / 2 + bottom + bottom_from_base +
+					pcb_back_support_height / 2])
+				cube([pcb_back_support_width, pcb_back_support_depth,
+					pcb_back_support_height], center = true);
+
+			translate([edge_connector_cutout_back_width / 2 -
+					pcb_back_support_width / 2,
+				edge_connector_cutout_back_depth +
+					pcb_back_support_depth / 2,
+				-height / 2 + bottom + bottom_from_base +
+					pcb_back_support_height / 2])
+				cube([pcb_back_support_width, pcb_back_support_depth,
+					pcb_back_support_height], center = true);
 		}
 
 		/* Label insets. */