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Rotary tool and coarse sandpaper barrels/mandrel Wood block/shim/paint stirrer for sandpaper (optional, helpful)

(Optional) wood stain, finishing oil, and/or polyurethane finish* Grinding and sanding mandrels and sanding cylinders for a Dremel or other rotary tool This was made using 123D Make, which is no longer available from Autodesk.ġ/8" baltic birch plywood (I used 3 36x24" sheets, with some room left over, but since I am not using a smaller laser, settings shown are for a 50 Watt 24x18" Epilog Helix) I HIGHLY recommend Fusion 360 for 3D modeling, and I will provide instructions for using Slicer, even though that's not how I made this specific model. And thankfully both technology and my technique have improved since then! Since I've learned a lot, this Instructable is more how I would do it now than how I ACTUALLY did it a couple years back. The possibilities for sculpture using this technique are incredible! I'd love to make a life-sized Operation game someday.

This was one of my first creative projects using the laser cutter waaaaay back in the fall of 2015, but I'm just now writing it up.

This technique works well for other 3D objects, but I recommend for finishing purposes that you pick a model without a lot of concavities, since they will be difficult to sand effectively. stl files into laser-cuttable PDF files, from choosing your STL to sanding your finished piece! Have you ever wanted to cradle a giant human heart in your arms like the dragon eggs in Harry Potter and the Goblet of Fire? Well now you can! I'll be showing you how to use a free program called Slicer for Fusion 360 from Autodesk to turn 3D.