Pro Engineer Tutorial for Beginner - 1 | Pro E Sketcher Tutorial. This is a basic beginner tutorial for Pro Engineer. In this tutorial you will learn sketcher basics. Sketcher commands covered in this tutorial are: Line, Line Tange, Centerline, Circle, Delete Segment, Rectangle, Zoom, Pan, Dimension, Slant Rectangle, Parallelogram, Concentric Circle, 3 Point Circle, Tri Tangent Circle, Ais Ends Ellipse, Center and Ais Ellipse, 3-Point Arc, Concentric Arc, Center and Ends arc, conic