Domino
thingiverse
Here are all combinations of a domino set that has 1 to 6 holes on each side. The stones are 50x25x5mm in size. The Domino_set.stl contains each cobination one time.
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With this file you will be able to print Domino with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Domino.