Holds your laptop vertically. There are several different models in this collection, with different "hole widths" to accommodate different width laptops.

The OnShape model is here: https://cad.onshape.com/documents/971568c20b50b76203eb46c6/w/87d87de789ce783ca75b4b4f/e/b20464fa498ee45759d559d7?renderMode=0&uiState=644672c8a66cb45236c4ee76

You can edit the width in the topmost "Construction" sketch to change to a custom width.