led-clip: an clip to mount strips of leds to surfaces

Written in 2015 and just sitting in a folder since, which is my excuse
for the awkward math.

Inspired by some long-forgotten model I found on thingiverse... it
wasn't parametric so it couldn't fit waterproof strips, inspiring this
quick hack.

diff --git a/led-clip/new-led-clip.scad b/led-clip/new-led-clip.scad
new file mode 100644 (file)
index 0000000..20ebbec
--- /dev/null
+++ b/led-clip/new-led-clip.scad
@@ -0,0 +1,56 @@
+/* Customizable Clip for mounting strip LEDs
+   Copyright (c) 2015 Clinton Ebadi <clinton@unknownlamer.org>
+
+   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 Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see
+   <http://www.gnu.org/licenses/>.
+*/
+
+// TODO:
+//  - make this a module
+
+use <MCAD/teardrop.scad>
+
+// All lengths in mm
+
+wall_height = 4; // How tall should the wall be?
+wall_width = 3.2; // How thick should the walls be at their base?
+extra_wall_height = 10; // How tall should the horizontal mounting tab be? 0 = no tab.
+
+base_height = 2.5; // Thickness of the base
+base_length = 30; // Length of the clip
+
+strip_width  = 10; // Width of LED strip
+
+hole_radius = 2; // Size of mounting holes
+
+x_midpoint = (wall_width*2 + strip_width) / 2;
+
+difference () {
+     rotate([90,0,0]) {
+         linear_extrude(height = base_length) {
+              translate ([0, wall_height + base_height, 0]) square([wall_width, extra_wall_height]);
+              difference () {
+                   square ([wall_width * 2 + strip_width, wall_height + base_height]);
+                   polygon (points = [[wall_width, base_height], [wall_width + strip_width, base_height],
+                                      [(wall_width*2 + strip_width) / 2, (wall_height + base_height) * 3]],
+                            paths = [[0, 1, 2]]);
+              }
+         }
+
+     }
+     translate ([x_midpoint, -base_length / 2, -0.1]) cylinder (h = base_height + 0.2, r = hole_radius, $fn = 20);
+     translate([0.1, -base_length/2, (base_height + wall_height + extra_wall_height) - hole_radius*2 ]) teardrop (radius = hole_radius, length = wall_width*2 + 0.2, angle = 90);
+     
+}
+