Each base has holes for magnets in the underside. Included are the following sizes:
If you want more sizes let me know so I can add them.
Designed for 3D printing on FDM at 0.2mm layer height. No reason you can’t use a different layer height or use resin, though.
Need a size not shown? Let me know and I’ll add it to the pack. No physical products are included in this listing, you will receive files you can use to 3D print bases.