Add common SCAD lib. Add a script that compiles all scad files to stl (make is getting excessive). Canonicalize STL files after they're compiled.

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "scad/common"]
+	path = scad/common
+	url = https://git.sixteenmillimeter.com/modules/common.git

scad/common

@@ -0,0 +1 @@
+Subproject commit cba7a3051ef0729eaa1d5c5da6205464185734e0

scad/projector_controller.scad

@@ -0,0 +1,22 @@
+include <arduino.scad>;
+
+PART="electronics_mount";
+
+CaseX = 100;
+CaseY = 200;
+CaseZ = 40;
+
+CaseMountsX = 90;
+CaseMountsY = 190;
+
+module case_debug () {
+	cube([CaseX, CaseY, CaseZ], center = true);
+}
+
+module electronics_mount () {
+	bumper();
+}
+
+if (PART == "electronics_mount") {
+	electronics_mount();
+}

scripts/scad.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+openscadPart () {
+	openscad -o "./stl/${3}" -D"PART=\"${2}\"" "./scad/${1}"
+	if [ -f "./scad/common/c14n_stl.py" ]; then
+		python3 ./scad/common/c14n_stl.py "./stl/${3}"
+	fi
+}
+
+
+# mcopy mono 99 projector controller
+
+openscadPart "projector_controller.scad" "electronics_mount" "mcopy_mono99_electronics_mount.stl"