Lower Frame / Y-bar Squaring Jig. For Maker Select v2, iiip, Wanhao i3, and other rebrands

Another little something to getting more square and ultimately better prints. if your frame is not square, youre not really printing squares but something more along a diamond shape even if so slightly (google a video on Prusa Mesh Leveling).


So first check by sliding a ruler in between the 2 bed plates and measuring points (Red Letters) A to A and B to B using the grub screws as a reference (Green Circle) they should have the same measurement. If they are off your lower frame is not squar