Prusa i3 Hephestos.
This is a reinforce for the frame, add a few parts as possible.
With only four printed parts, two 8mmx390mm steel or aluminum rods .
- Print the files y-corner-left, y-corner-right, and two times holder-top
- The quality doesn't really matter Saw an 8mm rod into two 390mm pieces
- Add the y-corner parts of your printer with the ones you just printed.
- Stick the two rods into the holder-top.
- Stick the assembled rods with the holders onto the printers frame and into the corner parts. add 8 nuts M8