This insert is designed to repurpose an empty mint (Altoids) tin into a handy 4 section box. Simply print out the insert and press it into the tin. Adjust the scale to work best with your printer as the dimensions make for a pretty tight fit. Enjoy! If you like this project or want to know more about 3D printing, check out my new book "The Makerspace Workbench" from Maker Media!