rune stone
thingiverse
Experiment with fillet edge on one of the stones using freeCad. Takes approx 5 minutes per stone.
Download Model from thingiverse
With this file you will be able to print rune stone 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 rune stone.