Start by using the forum search tool because there are many topics discussing questions like yours. The lastest thread, that is also active right now, is https://discuss.eroscripts.com/t/the-official-handy-desk-mount-experience/123257 (latest post 12h ago)
The following thread has been discussing this for a long time https://discuss.eroscripts.com/t/diy-handy-hands-free-ideas/3669
This topic contains many of the handsfree discussion threads:
https://discuss.eroscripts.com/c/diy/26
3D printing is a common solution for DIY. If you don’t own a 3D printer there are both physical (depending on where you live of course) and online stores where they print on demand for a cost.