Math manipulative designed for Thingiverse #makerbotacademymath challenge. The Circle of Angles is designed for intermediate students to develop an understanding of angles. Specifically the relation between degrees and radians.To use, print the base.stl file which is the base of the circle of angles. Each of the other .stl files (one-over-two.stl, one-over-three.stl, etc.) are individual files of angles that can be printed to fit into the circle. Print as many as needed.