40mm base to 50mm base adapter
thingiverse
an adapter to get your old 40mm based mini into a tournament 50mm base. print as you wish, but print it solid for the bottom layer.
Download Model from thingiverse
With this file you will be able to print 40mm base to 50mm base adapter 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 40mm base to 50mm base adapter.