# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1390090377 -3600
# Node ID 4910bce5fa5062f44acdac0621d8993398a675a4
# Parent  6a558059d57646b03dd2ac81d396d320cbb47961
Fixed the rounding of the top edges for the two separate parts.
Added a cutout in the inside of the top of the front part of the cartridge for
the protruding top section of the back part of the cartridge.

diff -r 6a558059d576 -r 4910bce5fa50 cartridge.scad
--- a/cartridge.scad	Sun Jan 19 00:51:20 2014 +0100
+++ b/cartridge.scad	Sun Jan 19 01:12:57 2014 +0100
@@ -42,6 +42,9 @@
 	groove_depth = 1.0; /* how deep the groove goes into each side */
 	top_groove_width = 1.0;
 	top_groove_depth = 2.0;
+	inner_top_front_cutout_width = 87.0;
+	inner_top_front_cutout_depth = 1.0;
+	inner_top_front_cutout_offset = 2.0;
 
 	back_cavity_width = 68.0;
 	back_cavity_inner_width = 65.0;
@@ -190,6 +193,15 @@
 				height / 2 - top_groove_depth / 2])
 				cube([width, top_groove_width, top_groove_depth],
 					center = true);
+
+			/* Inner top cutout for the top of the back portion. */
+
+			translate([0, -inner_top_front_cutout_depth / 2, height / 2 -
+				inner_top_front_cutout_offset -
+				inner_top_front_cutout_depth / 2])
+				cube([inner_top_front_cutout_width,
+					inner_top_front_cutout_depth,
+					inner_top_front_cutout_depth], center = true);
 		}
 
 		/* Back cavity. */
@@ -286,13 +298,21 @@
 
 			/* Top left and right rounding. */
 		
-			translate([-width / 2 + ro, 0, height / 2 - ro])
+			translate([-width / 2 + ro, -front_depth / 2, height / 2 - ro])
 				rotate([0, 0, 180])
 					rotate([90, 0, 0])
-						fillet(rr, depth);
-			translate([width / 2 - ro, 0, height / 2 - ro])
+						fillet(rr, front_depth);
+			translate([width / 2 - ro, -front_depth / 2, height / 2 - ro])
 				rotate([90, 0, 0])
-					fillet(rr, depth);
+					fillet(rr, front_depth);
+
+			translate([-width / 2 + ro, back_depth / 2, height / 2 - ro])
+				rotate([0, 0, 180])
+					rotate([90, 0, 0])
+						fillet(rr, back_depth);
+			translate([width / 2 - ro, back_depth / 2, height / 2 - ro])
+				rotate([90, 0, 0])
+					fillet(rr, back_depth);
 		
 			/* Top back and front rounding. */