This is a 3d printed pi (math pi) glass/pencil holder. This item is a spiral of pi that goes endlessly into the base, starting with 3.14 on the top. This item can be used to hold pencils, tools, and even coins. The Pi Glass can also be custom created in Orange, Yellow, light Blue, Purple, Brown, Gray, and Black. Custom orders take 10 days to ship. If you want one of these colors please specify the color you want in the note for seller, at checkout. This model was made by roman_hegglin…