This is a modelling aid and not meant to be printed. It is based on 14 gauge Hillman plated steel slotted angle 1-1/2" x 1-1/2". Note that it is drawn with the included angle = 90°, whereas the actual angle is less than 90°. I have included the SketchUp file.
Slotted_Steel_Angle.skp | 1.0MB | |
Slotted_Steel_Angle.stl | 4.0MB |