TinkerCAD ... Make an entry into the world of CAD. With TinkerCAD's easy to learn interface you can learn CAD and open up the world of 3D design. In the last class, learn the steps of using this simple CAD program to design and print a three dimensional object on the 3D printer.

Four Tuesdays, starting Jan. 27, from 7 p.m. to 9 p.m. Fee is $80.