180° Pop-Up Cards
180 degree pop-up cards open flat when they are unfolded. They can be created from a single sheet of paper, but they are usually made of several pieces which are cut, assembled, and glued to a precise location on the card backing.
This pop-up model of the Met’s stadium Citi Field is a 180 degree pop-up which was commissioned as a centerpiece for tables at a party in the stadium.