BMW Keychain
thingiverse
The stl labeled "steps" is meant for changing filament at the certain heights. it has 5 different heights and the first is 2mm then .5 added on each
Download Model from thingiverse
With this file you will be able to print BMW Keychain 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 BMW Keychain.