Check out my "video list" of the many YouTube video's I've uploaded on my blog: Herbie the NYC CNC TAIG.

http://www.nyccnc.com/Herbie/Video_List.html

Enjoy!

Very cool, I havn't even had any experience in metal working quite yet, buuut, I seem to have a grasp on the mistake you made in the camshaft part. I thank you for posting your video's here otherwise i would never have found them!