Spool holder arm reinforcement
thingiverse
There are reports on web with broken Anet A8+ spool holder arms. Put this rod from the back and its ok.
Download Model from thingiverse
With this file you will be able to print Spool holder arm reinforcement 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 Spool holder arm reinforcement.