Anti-Twist Exoskeleton for Anet A8

You need:
1 M8 threaded rod (~34 cm)
4 M8 nuts
2 printed parts
optional: M8x1.5 tap (but could be tapped with the threaded rod).

Anet A8
A simple anti-twist exoskeleton for the Z axis, that could benefit XY as well.

I really loved aeropic's designs, but 6mm threaded bolts are not that stiff. For the Z-antiwobble exoskeleton 6mm is the only option, but for the anti-twist 8 mm is not a problem. So I designed this part for the holes on the vertical acrylic side panels of Anet A8. It's a