A strong corner piece for building frames out of 2020 Aluminum extrusion. Each of the three pieces joined together by the part are contacted by three screws each in a triangular pattern. The part fits into the extrusion's slot for a tight secure fit. The screw holes are for M4 screws with hex socket head caps, there is a 2mm counter sink on each holes. One of the screw holes is for an M6, the hole on the end of the extrusion must be tapped for this.

General Specs:
- Print at 40% for Strength, PLA is fine
- Layer height at 0.2mm for screw hole/countersink accuracy
- M4 Metric Screws with 2mm Countersink
- Channel slots for tight and square fit
- M6 Metric screw for extrusion end tapped hole
- Each Aluminum piece is contacted by three screws in a triangular patter for max rigidity