Corner for aluminium profile 20x20

Corners for aluminum profile (20x20mm), with cable entry hole(6mm).

Extension of my previous project.
https://www.thingiverse.com/thing:6700403

Corners created to assemble rigid structures with aluminum profiles with the possibility of being crossed by cables for different uses.

Same size, different angles.

File
P20x20 G2 45.stl - 45°
P20x20 G2 60.stl - 60°
P20x20 G2 67.5.stl - 67.5°
P20x20 G2 90.stl - 90°