subject: 3D Models and Their Uses [print this page] 3D models have become valuable teaching tools3D models have become valuable teaching tools. Many websites allow the user the opportunity to gain valuable insight into the inner working of organ through Free 3D model. These models are beneficial to students in a secondary school level, all the way to students in a Medical Doctor program. The accuracy is pristine and the renderings allow familiarity, and are easier to learn than a two dimensional image on a page.