The file '90 Degree Bracket 3D Printer Model' is (stl) file type, size is 1.3MB.
90 Degree Bracket
Dimension : 25mmx40mm 5mm thick 3 holds each side
V.1 normalV.2 add vertex thicker (Recommended)
https://www.youtube.com/watch?v=VL2urSdooZE