bike spoke magnet mounts
thingiverse
These mounts fit common flat spokes (about 2.5 x 1.5mm) or round (~2mm) spokes.\r\n\r\nThey need one 3mm diameter, 4mm long rare earth magnet (available on Ebay - try searching: "rare earth magnet 3mm diameter") and a 6mm x 2mm diameter screw to complete the item.
Download Model from thingiverse
With this file you will be able to print bike spoke magnet mounts 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 bike spoke magnet mounts.