OSMO base
thingiverse
It was for OSMO play kit base. https://www.playosmo.com/en/
Download Model from thingiverse
With this file you will be able to print OSMO 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 OSMO base.