RapidSketch allows you to select planar faces or planes, and with any
sketch tool active, start to sketch. As you move to each planar face,
a plane is created and a sketch is opened. You can change sketch tools
To use RapidSketch:
With a model open, select the Sketch
tab and click RapidSketch or RapidSketch (Sketch toolbar).
Select a sketch tool.
Place the pointer on a planar face or plane and
start to sketch.