Some book holder are on a stand to avoid keep the book with your hands. Do you already try something like this ?
Also, all my models are Open-Source (GPLv3 or CreativeCommons BY-NC). I give my work for community. I don't think about patent them...
If you have any ideas about a tool that can help people with Carpal Tunnel Syndrome, just let me know :)
RE: 1000 downloads of my 3D print models! Thank you so much!