Create Garage Door Reed Switch Bracket

one-offs/garage-reed-switch-bracket/LICENSE

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+This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

one-offs/garage-reed-switch-bracket/README.md

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+# Garage Door Reed Switch Bracket
+
+![This model is a work in progress][work-in-progress-badge]
+[![CC-BY-SA-4.0 license][license-badge]][license]
+
+Bracket for garage door reed switch sensor
+
+![Model render](images/readme/demo.png)
+
+## License
+
+This model is licensed under [Creative Commons (4.0 International License) Attribution-ShareAlike][license].
+
+
+[license]: http://creativecommons.org/licenses/by-sa/4.0/
+[license-badge]: /_static/license-badge-cc-by-sa-4.0.svg
+[work-in-progress-badge]: /_static/work-in-progress-badge.svg

one-offs/garage-reed-switch-bracket/SConscript

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+Import("env")
+b = ModelBuilder(env)
+
+model = "garage-reed-switch-bracket.scad"
+
+for opts in GenerateOptions(part=["front", "back"]):
+    b.STL(
+        f"garage-reed-switch-bracket-{opts.part}.stl",
+        model,
+        {"Part": opts.part},
+    )
+b.Image("demo.png", model, {"Part": "both"})
+
+b.add_default_targets()
+
+# vim: ft=python

one-offs/garage-reed-switch-bracket/garage-reed-switch-bracket.scad

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+/*
+ * Garage Door Reed Switch Bracket
+ * By smkent (GitHub) / bulbasaur0 (Printables)
+ *
+ * Licensed under Creative Commons (4.0 International License) Attribution-ShareAlike
+ */
+
+/* [Rendering Options] */
+Part = "both"; // ["both": Front and back, "front": Front, "back": Back]
+
+/* [Size] */
+Thickness = 3; // [0.4:0.1:10]
+
+Bracket_Screw_Diameter = 6; // [2:0.5:10]
+
+Round_Radius = 10; // [1:0.1:10]
+
+/* [Advanced Options] */
+
+/* [Development Toggles] */
+
+module __end_customizer_options__() { }
+
+// Constants //
+
+$fa = $preview ? $fa : 2;
+$fs = $preview ? $fs : 0.4;
+
+sensor_size = [48, 105];
+screws_pos = [[9, 90], [38, 37]];
+screw_d = 4;
+
+bracket_size = [88, sensor_size.y];
+bracket_screw_d = Bracket_Screw_Diameter + 0.2;
+bracket_back_size = [bracket_size.x - 44, sensor_size.y - 49];
+
+square_size = [9, 25];
+squares_pos = vec_add(
+    [[0, 0], [19, 0], [0, 32], [19, 32]],
+    ([52, 49] + square_size / 2)
+);
+
+// Functions //
+function vec_add(vector, add) = [for (v = vector) v + add];
+
+// Modules //
+
+module round_shape(r=Round_Radius) {
+    offset(r=-r)
+    offset(r=r * 2)
+    offset(r=-r)
+    children();
+}
+
+module at_squares() {
+    for (pos = squares_pos)
+    translate(pos)
+    children();
+}
+
+module bracket_screw_holes_shape() {
+    at_squares()
+    circle(d=bracket_screw_d);
+}
+
+module at_reed_switch_screw_holes() {
+    for (rot = [0, 180])
+    translate(rot ? [sensor_size.x, sensor_size.y] : [0, 0])
+    rotate(rot)
+    for (screw_pos = screws_pos)
+    translate(screw_pos)
+    children();
+}
+
+module reed_switch_screw_holes_shape() {
+    at_reed_switch_screw_holes()
+    circle(d=screw_d);
+}
+
+module reed_switch_bracket_cutouts_shape() {
+    round_shape(r=min(sensor_size) / 10)
+    difference() {
+        offs = 10;
+        for (oy = [offs / 2, sensor_size.y / 2 - offs / 2])
+        translate([0, oy])
+        offset(r=-offs)
+        square([sensor_size.x, sensor_size.y / 2]);
+        at_reed_switch_screw_holes()
+        circle(d=screw_d * 4);
+    }
+}
+
+module squares_bracket_cutouts_shape() {
+    round_shape(r=min(sensor_size) / 20)
+    difference() {
+        offs = 5;
+        offset(r=offs)
+        hull()
+        at_squares()
+        circle(d=1);
+        at_squares()
+        circle(d=bracket_screw_d * 3);
+    }
+}
+
+module bracket_front() {
+    linear_extrude(height=Thickness)
+    difference() {
+        union() {
+            round_shape()
+            union() {
+                square(sensor_size);
+                bracket_back_shape();
+            }
+            round_shape(r=2)
+            square(sensor_size);
+        }
+        reed_switch_screw_holes_shape();
+        reed_switch_bracket_cutouts_shape();
+        bracket_screw_holes_shape();
+        squares_bracket_cutouts_shape();
+    }
+}
+
+module bracket_back_shape() {
+    translate(bracket_size - bracket_back_size)
+    square(bracket_back_size);
+}
+
+module bracket_back() {
+    translate([-(bracket_size.x + 10), 0])
+    linear_extrude(height=Thickness)
+    difference() {
+        round_shape()
+        bracket_back_shape();
+        squares_bracket_cutouts_shape();
+        bracket_screw_holes_shape();
+    }
+}
+
+module main() {
+    if (Part == "both" || Part == "front") {
+        color("mintcream", 0.9)
+        bracket_front();
+    }
+    if (Part == "both" || Part == "back") {
+        color("lemonchiffon", 0.9)
+        bracket_back();
+    }
+}
+
+main();