Initial commit

.gitmodules

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

LICENSE

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+Copyright (c) 2025 M McWilliams
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# Splicer Parts
+
+This is a repository containing replaceable parts for film splicers.
+Currently only holds a single part but this will be the location for new parts as they are created.
+
+## 16mm Guillotine Splicer Tape Roller
+
+![Render of a 16mm Guillotine Splicer Tape Roller](./img/splicer_parts_guillotine_tape_roller.jpg)
+
+This is a model for a tape roller that holds rolls of clear splicing tape on [Cir 16mm guillotine splicers](https://www.cir-srl.com/splicers/splicers-for-projection-and-editing/).
+When the original rollers are lost or broken they render the splicer difficult to use.
+This roller swaps in and provides support for a standard roll of splicing tape.

meta.json

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+{
+	"objects" : [
+		{
+			"name" : "splicer_parts_guillotine_tape_roller", 
+			"material" : "gray_plastic2"
+		}
+	],
+	"src" : [
+		"README.md",
+		"LICENSE",
+		"scad.sh",
+		"scad/splicer_parts.scad",
+		"scad/common/common.scad",
+		"scad/common/c14n_stl.py",
+		"scad/common/scad.sh"
+	]
+}

scad.sh

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+#!/bin/bash
+
+bash scad/common/scad.sh scad/splicer_parts.scad

scad/common

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+Subproject commit e2eeb27f173d739a174c0d147bcb62a16859e2d9

scad/splicer_parts.scad

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+use <./common/common.scad>;
+
+PinD = 4.4;
+
+RollerD1 = 25.5;
+RollerD2 = 25;
+RollerH = 21;
+
+BrimD = 30;
+BrimH = 2;
+
+RollerVoidD1 = 20;
+RollerVoidD2 = 10;
+
+module guillotine_tape_roller () {
+    difference() {
+        union () {
+            cylinder(r1 = R(RollerD1), r2 = R(RollerD2), h = RollerH, center = true, $fn = 100);
+            translate([0, 0, -R(RollerH) + R(BrimH) ]) cylinder(r = R(BrimD), h = BrimH, center = true, $fn = 100);
+        }
+        cylinder(r = R(PinD), h = 50, center = true, $fn = 40);
+        translate([0, 0, -R(RollerH) + 0.99]) cylinder(r1 = R(PinD + 2), r2 = R(PinD), h = 2, center = true, $fn = 40);
+        translate([0, 0, 5]) difference () {
+            cylinder(r = R(RollerVoidD1), h = RollerH, center = true, $fn = 100);
+            cylinder(r = R(RollerVoidD2), h = RollerH + 1, center = true, $fn = 100);
+        }
+    }
+    for (i = [0 : 3]) {
+        rotate([0, 0, i*90]) translate([7, 0, 0]) cube([7.5, 3, RollerH], center = true);
+    }
+}
+
+PART = "guillotine_tape_roller";
+
+if (PART == "guillotine_tape_roller") {
+    guillotine_tape_roller();
+}