Website: thingiverse
Author: alohapussycat
Price: Free Download
File format: .Stl 3d printable
Description:
This is a thumb ring designed to help hold a book open when reading one-handed. It is not ornate. I kept it simple and functional. The thumb hole is 33mm in diameter. The thumb ring is not designed to fit snuggly around the thumb so the model is “one-size-fits-all”. If the ring hole proves too small, you could scale