Rattleback mold
thingiverse
To craft a rattleback, one needs a mold that's easy to make using materials like epoxy resin, which are significantly denser than traditional molding compounds.
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With this file you will be able to print Rattleback mold 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 Rattleback mold.