Orthographic orientation activity: practical technical drawing I teach my students orthographic drawing. It is demanding on their imagination. That's why I've prepared models on which they can learn it practically and fun. This is how it works. I have several models of such a size that they are easy to hold in the hand and their display is clearly placed on the paper in the notebook. In this product, I offer a model of a house with roof T hip. I print the model on a 3D printer. Instead, it is po