FiftyThree released Paper in 2011. The app has gone on to be one of the best drawing apps on the iPad. Now, it's teaming up with notebook artisan Moleskine to release "Book". It is an extension of the Paper app that allows users to create physical copies from their digital notebooks.

The book (which costs $40 to print) can be fully customized in a special 4:3 ratio foldout, providing a satisfying physical manifestation of an innately physical action: drawing. Check out the video below: