How to use the Project command in Fusion!

When I am sketching in Fusion, I frequently use the Project command.
 
If you create a new sketch and select a face or plane to sketch on – you can then use the Project command (Create – Project/Include – Project). By clicking on any existing edge, it will project that edge onto your sketch plane. For simple geometry like holes, you can use the contained projection as the actual sketch. 
 
Have you ever used the Project command in Fusion?