How to freeform the 1381 SE - 3D models of each step help guild you through this easy to follow tutorial. It's a little hard for beginners but if you take your time and follow the directions you should be able to complete it.
How to freeform the Bicore - This is one of the easiest circuits to freeform and it's even easier when your following this tutorial.
Brian's guild to freeforming the H-bridge - Brian Hendrickson put together this wonderful tutorial on how to free form the h-bridge. It's actually very easy. Thanks Brian!