I had fun making my own version this object (which the internet seems to call an "infinity cube"). Instructions in the following tweets. pic.twitter.com/RJ6LKYePrs
Cartography lovers unite! The David Rumsey Map Collection is home to more than 100,000 historic maps, atlases, charts, and diagrams, dating from the 16th century to the modern day - mailchi.mp/archive.org/em…pic.twitter.com/N3fIDckRcm