Mini 3D printer Fridge Magnet

Take yours mobile mini 3D printers, can be placed anywhere, it's fun! Features: The filament wheel can be rotated, the nozzle can be replaced, the printing table can be moved, and it is easy to print and assemble. The specifications of the magnet part are: (should be the general size) circle:20mm thickness:3mm Print it out together! Allows you to create combinations of personal preferences!!