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The point here is to have a improved frame that fit all component of anet a8 (unless the screw) without too many hassle to adapt to original prusa i3 steel design. BTW our design will be under CC attribution share alike license so any one can further improve for their need, and is not a commercial product for selling but a project we are sharing with the community.
For more, we believe the simple XY frame we add is a huge improvement for whole stiffness as well the possibility to add level foot.