Miniature Bases with magnet whole
thingiverse
25mm bases for DnD type miniatures. One large and one medium. Large base has magnet whole for 10mm x 2mm Medium base has magnet whole for 6mm x 2mm You can use super glue but I think you should be able to just press fit the magnet.
Download Model from thingiverse
With this file you will be able to print Miniature Bases with magnet whole 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 Miniature Bases with magnet whole.