Book Holder, one hand

thingiverse

Keep your book open effortlessly with one hand using R2, which features a 0.12-inch hole perfect for a bookmark or keychain. The thumbhole on R2 has been reshaped for a snug fit. For comparison, check out this similar product at http://www.etsy.com/ca/listing/171764689/book-holder-cherry-wood-delivery-in?ref=related-0. Ensure R2 fits your thumb by resizing it to 0.9" x 0.95" with a 2-degree draft, or adjust to suit your preference.