I have watched the video on the 1 micron air bearing lathe a few times in the past. I didn't realise he did a whole series of very interesting videos showing how to build prototypes etc. They seem to cover everything from machining to making simple brackets on press brakes etc.
Fascinating bloke
https://www.youtube.com/user/dgelbart/videos
Fascinating bloke
https://www.youtube.com/user/dgelbart/videos