To mount a camera on my desk, I'm about to purchase this "Neewer Tabletop Light Stand", and a mini ball head with standard 1/4 inch screw for angle adjustment.

I can't vouch for it yet, but hope it arrives and does the job. There's other similar products in other sizes by other brands.

[1] https://www.aliexpress.com/item/1005001657723138.html