This section describes how to project 3D elements, 3D silhouette edges, 3D canonical silhouette edges, and so on.
Projecting 3D Elements Concepts Projecting 3D Elements onto the Sketch Plane Projecting 3D Silhouette Edges Projecting 3D Canonical Silhouette Edges Intersecting 3D Elements with the Sketch Plane Isolating Projections and Intersections Using a Semantic Edge Offsetting 3D Elements