This is a two lesson introduction for students on how to use TinkerCAD, covering the fundamentals of 3D modeling using TinkerCAD as well as fundamentals of manufacturing using 3D design. Both lessons involve hands on CAD modeling activities. First lesson also contains a guided activity, demonstrating fundamentals of 3D modeling. Second lesson contains 2 activities which ask students to create more advanced models. Second lesson also contains two videos demonstrating how the in-lesson models may be created. These lessons also demonstrate practical applications of various topics mentioned during the geometry class (for these grade levels).