3D Printed Black, White & Red Flexi Dinosaur Key chain is made up of PLA Plastic by using an FDM 3D Printer. Use this key chain to keep track of your bag keys, room keys, bike keys, vehicle keys, and almirah keys. A wonderful gift for any occasion, including a birthday, Valentine's Day, Mother's Day, Thanksgiving, or Christmas. It is small, lightweight, and conveniently fits in your pocket. A quality product from anmol3d.gallery. 3D printing, also known as additive manufacturing, is a method of creating a three-dimensional object layer-by-layer using a computer-created design.