40mm base
thingiverse
As it said, most of my "toys" is 40mm base, so i do come with additional 40mm base STL, for just in case.
Download Model from thingiverse
With this file you will be able to print 40mm base 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.