I've experimented and explored a few of the different ways to align project cuts on material, had a little bit of extra time and just came up with a quick way to facilitate doing so. A little bit of thought went into it, and more time into making the video and writing up the instructions and description then actually into designing, cutting, and assembly. Use it if you wish, or not. You can download the project files HERE Making The Finder: Use 3 mm ply or acrylic. You may have to set the kerf in your laser software if you want...