N-Sided Polygon Protractor

myminifactory

This is a handy tool designed to educate high schoolers on the fundamental principles of geometry, focusing specifically on the equation for interior angles of polygons with any number of sides. For further reference and educational assistance, visit https://www.mathsisfun.com/geometry/interior-angles-polygons.html. To access this tool in 3D format, please go to https://www.thingiverse.com/thing:3934429. The approximate cost of printing one unit is $0.09.