3mm nut
thingiverse
By printing your component, you simply need to insert a 3mm metallic nut into its slot afterwards for a leveled platform.
Download Model from thingiverse
With this file you will be able to print 3mm nut 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 3mm nut.