"What I Learned @ SOLIDWORKS World 2010" PT.1 (ideas for Symmetric Relations)
If you have taken the SOLIDWORKS Essentials class, then you know about the SYMMETRIC RELATION and how it can be used with entities INSIDE your sketch.
But, you may not have thought of using it like this…
Using a construction line IN a sketch and:
1. Edges of the model OUTSIDE of the Sketch.