helped this post to make the model they wanted
https://www.reddit.com/r/3Dprinting/comments/1gpr7o7/comment/lwx25wu/?context=3
would not recommend printing m4 threaded screw holes because those are a challenge for most printers.
fixing_switch_file.stl | 4.5MB | |
fixing_switch_file_not_nothreaded_holes.stl | 79.9KB |