Blue prefboard with 2 layers copper and plated through holes for UP PLUS 2, UP Plus & UP mini. The 2 layers copper and plated through holes are for improving the heat conduction from the heated bed to the models. To prevent warping of the 3D printed model.
Board 140x140x1,6mm ( for the UP Plus 2 included the extended cutout for auto platform height sensor)
Pitch holes horizontal 2,54mm and vertical 1,27mm, diameter holes 1mm.