# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1439486679 -7200
# Node ID 050422da2f7da35f20fe593e16731c97011ba4ba
# Parent  5c038e9c2e0f78b4f55c98d0c7dcf72e72f61d36
Added a PCB feature and top surface configuration for testing purposes.

diff -r 5c038e9c2e0f -r 050422da2f7d cartridge.scad
--- a/cartridge.scad	Thu Aug 13 19:04:50 2015 +0200
+++ b/cartridge.scad	Thu Aug 13 19:24:39 2015 +0200
@@ -1,5 +1,5 @@
 /*
-Copyright (C) 2014 Paul Boddie
+Copyright (C) 2014, 2015 Paul Boddie
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -45,6 +45,7 @@
 
 	BACK = 1; BACK_SURFACE = 1;
 	FRONT = 1; FRONT_SURFACE = 1;
+	TOP_SURFACE = 1;
 
 	/* For printing: APART = 1; PCB = 0; */
 
@@ -430,6 +431,11 @@
 
 	wide_pcb_lug_hole_radius = 4.0;
 
+	/* An example feature for use with PCB testing. */
+
+	feature_width = 15.0; feature_depth = 7.0; feature_height = 40.0;
+	feature_height_offset = 10.0;
+
 	/* Repeated constructs. */
 
 	module pcb_support(xdir, bump_height, bump_offset) {
@@ -598,9 +604,10 @@
 
 					/* Top surface for the front piece. */
 
-					cube_at(payload_width, front_depth, top,
-						0, -1, 1,
-						payload_centre, 0, int_payload_upper_extent);
+					if (TOP_SURFACE)
+						cube_at(payload_width, front_depth, top,
+							0, -1, 1,
+							payload_centre, 0, int_payload_upper_extent);
 				}
 
 				difference() {
@@ -835,9 +842,10 @@
 
 						/* Top of back piece. */
 
-						cube_at(payload_width, back_depth, top,
-							0, 1, 1,
-							payload_centre, 0, int_payload_upper_extent);
+						if (TOP_SURFACE)
+							cube_at(payload_width, back_depth, top,
+								0, 1, 1,
+								payload_centre, 0, int_payload_upper_extent);
 
 						/*
 						The extension of the back to connect with the front. Here, the inside
@@ -1172,6 +1180,12 @@
 								edge_connector_height,
 								0, -1, -1,
 								0, edge_connector_cutout_back_depth, 0);
+
+							/* Feature. */
+
+							cube_at(feature_width, feature_depth, feature_height,
+								0, 1, 1,
+								0, edge_connector_cutout_back_depth, feature_height_offset);
 						}
 
 						/* Holes for mounting. */
@@ -1239,6 +1253,12 @@
 								edge_connector_height,
 								0, -1, -1,
 								0, edge_connector_cutout_back_depth, 0);
+
+							/* Feature. */
+
+							cube_at(feature_width, feature_depth, feature_height,
+								0, 1, 1,
+								0, edge_connector_cutout_back_depth, feature_height_offset);
 						}
 
 						/* Holes for lugs. */