This is a vertical stand for thick computers (40mm) inspired by a Reddit post.
It's not the most fancy stand out there, nor the lightest on material, but it's very simple and sturdy and gets the job done.

I've added a version with holes and a matching piece that can be printed in TPU to provide some friction that would prevent the computer from easily sliding back and forth.
Depending on your printer tolerances, the TPU piece may need some persuasion in order to fit but since it's a flexible material I could get away even with 0 tolerance in the design files