Initial commit

.gitmodules

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+[submodule "scad/common"]
+	path = scad/common
+	url = https://git.sixteenmillimeter.com/modules/common.git

README.md

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+# Bolex Base Plate
+
+Creates a flat bottom plate for "round bottom" Bolexes.
+Has mounting holes for rails and additional holes for side-mounted accessories.

scad/bolex_base_plate.scad

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+use <./common/common.scad>
+
+PLATE_X = -6;
+PLATE_Y = 25;
+
+
+module bolex_debug (pad = 0) {
+    cylinder(r = R(29) + pad, h = 10, center = true, $fn = 80);
+    translate([0, 0, 6]) cylinder(r = R(29), h = 10, center = true, $fn = 80);
+    translate([3 + 18.5, 17, 50 - 4]) rotate([0, 90, 0]) cylinder(r = R(100), h = 36,center = true, $fn = 180);
+    translate([5.55, 0, 35]) rotate([0, 90, 0]) rounded_cube([50, 135, 67.9], d = 15, center = true);
+}
+
+module debug () {
+    bolex_debug();
+    base_plate([-PLATE_X, -PLATE_Y, 3]);
+}
+
+module bolt_voids () {
+    $fn = 80;
+	translate([10, -25, 0]){
+		//base reference
+		// cube([50, 71.5, 40], center = true);
+		//holes
+		//translate([0, (71.5 / 2) - 12, 0]) cylinder(r = 10 / 2, h = 100, center = true);
+		translate([0, (71.5 / 2) - 34, 0]) {
+            cylinder(r = R(6.5), h = 100, center = true);
+            translate([0, 0, 9]) cylinder(r = R(13), h = 10, center = true, $fn = 6);
+        }
+		translate([(-50 / 2) + 18, (71.5 / 2) - 62, 0]) {
+            cylinder(r = R(10), h = 100, center = true);
+            translate([0, 0, 9]) cylinder(r = R(16.5), h = 10, center = true, $fn = 6);
+        }
+	}
+
+}
+
+module base_plate (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    translate(pos) rotate(rot) {
+        difference () {
+           rotate([0, 90, 0]) rounded_cube([28, 90.5, 55.3], d = 4, center = true, $fn = 40);
+            translate([PLATE_X, PLATE_Y, -3]) {
+                bolex_debug(0.2);
+                cylinder(r = R(10), h = 60, center = true, $fn = 40);
+                translate([0, 0, -37]) cylinder(r = R(17), h = 60, center = true, $fn = 40);
+                bolt_voids();
+            }
+            translate([-20, 58, 0]) cube([40, 40, 40], center = true);
+        }
+        
+    }
+}
+
+PART = "";
+
+if (PART == "") {
+    base_plate();
+} else {
+    debug();
+}
+

scad/common

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+Subproject commit 53f4dd4a2d6dd038c1beb97f8ae721ec5905a43b