Interlocking puzzle

This is a puzzle, based on [this product](https://www.seriouspuzzles.com/dirty-dozen-metal-interlocking-puzzle-by-puzzle-master/?utm_source=share&utm_medium=ios_app&utm_name=iossmf). I made this model because the puzzle was sold out thanks to a Reddit hug. The actual puzzle is made out of metal and you should totally buy one if it's in stock when you see this.

You need to print out 12 copies of this model and, I dunno, fit em together somehow, I haven't gotten that far myself.

Included is my FreeCAD source file. The model is parametric, with settings for total size, tolerances, and fillet radii. You may want to tighten up the tolerances if you find the fit between parts to be a little loose. You shouldn't need to edit the sketch directly at all, just the "param" spreadsheet.