etc: trivial clip for holding the rear tray of a laserjet 6

Time led to the clips on the rear exit tray of my laserjet fatiguing
and snapping, a pair of these keeps it securely closed so prints can
exit in the regular tray.

diff --git a/etc/laserjet6-rear-tray-clip.scad b/etc/laserjet6-rear-tray-clip.scad
new file mode 100644 (file)
index 0000000..315cdb8
--- /dev/null
+++ b/etc/laserjet6-rear-tray-clip.scad
@@ -0,0 +1,29 @@
+// Trivial clip to hold rear exit tray on my laserjet 6 in place
+// (built in clips fatigued after 20 years). Includes an optional hook
+// into the grille on the rear exit tray to secure it better.
+
+// measurements:
+// length = 73
+// max depth = 25
+
+clip_gap    = 73.5;
+clip_wall   = 3;
+clip_depth  = 20;
+clip_width  = 5;
+
+hook        = true;
+hook_depth  = 6;
+hook_wall   = clip_wall;
+
+$fs = 0.1;
+$fa = 0.1;
+
+linear_extrude (clip_width) {
+     difference () {
+         square ([clip_gap + clip_wall * 2, clip_depth + clip_wall]);
+         translate ([clip_wall, -clip_wall]) square ([clip_gap, clip_depth + clip_wall]);
+     }
+     if (hook) {
+         translate ([clip_wall + clip_gap - hook_depth, 0]) square ([hook_depth, hook_wall]);
+     }
+}