3D puzzles are popular projects for CNC routing. This short video is designed to open the door just a little on this interesting field of routing.

There are literally hundreds, maybe thousands, of designs out there. This particular design comes with options for 3 mm, 6 mm or 12 mm material.

For this project I used a 2 mm end mill cutter tool with a single straight flute on 3 mm MDF. As you can see in the video, the cut starts out quite "rough" looking. However, a light sanding by hand or with an electric sander cleans the project up very nicely.

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