From 62010903bd22cc1da4826810dffdf37281412fdc Mon Sep 17 00:00:00 2001
From: Jan Huwald <jh@sotun.de>
Date: Tue, 11 Feb 2014 15:34:34 +0100
Subject: add connector_back


diff --git a/connector_back.scad b/connector_back.scad
new file mode 100644
index 0000000..23e67df
--- /dev/null
+++ b/connector_back.scad
@@ -0,0 +1,45 @@
+include <parameters.scad>
+
+use <connector.scad>
+use <nipple.scad>
+use <rail.scad>
+use <screw_hole.scad>
+
+module back_connector_half(
+  border_side = false,
+  border_top = false,
+  border_bottom = false
+) difference() {
+  connector_half(border_side, border_top, border_bottom);
+
+  if (!border_side)
+    translate([tray_width/2 - bar_thickness, 0, tray_height - bar_thickness/2])
+    rotate([-90, 0, 0])
+    screw_hole(nut_depth = 1.1 * nut_height);
+}
+
+module back_connector(
+  border_left   = false,
+  border_right  = false,
+  border_top    = false,
+  border_bottom = false
+) {
+  difference() {
+    connector(border_left, border_right, border_top, border_bottom) {
+        mirror() back_connector_half(border_left,  border_top, border_bottom);
+                 back_connector_half(border_right, border_top, border_bottom);
+    }
+
+  // screw holes for PCB screws
+  if (!border_right)
+    for (h = [bar_thickness/2, tray_height - bar_thickness/2])
+      translate([0, 0, h])
+      rotate([-90, 0, 0])
+      screw_hole(nut_depth = 1.1 * nut_height);
+  }
+}
+
+back_connector();
+
+echo("MODEL INFO: tray height = ", tray_height);
+echo("MODEL INFO: tray width = ",  tray_width);
-- 
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