4mm M2 Spacer
thingiverse
Apparently there is no such thing as a circular non threaded m2 spacer so this was designed as an alternative and is meant to sit between the flight controller and esc or fc/esc and frame.
Download Model from thingiverse
With this file you will be able to print 4mm M2 Spacer 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 4mm M2 Spacer.