About this 3D model

Designed to use 2020 extrusionUse a 3mm steel rod in the middle holeAngle the plastic part to the maximum( both to the same side) use threaded rods or long grubscrews and glue everything with Epoxy Clamp like in the picture, the brass thingy is not supposed to be in contact with the plastic part of the jig Make only one jig and glue one arm at the same time