I saw a presentation on this at this morning's Tech Breakfast (http://www.meetup.com/Triangle-TechBreakfast/) and I thought it might be of interest to some of you...particularly those looking to have a custom part made or offer your own shop / CNC services to others.
http://makememaker.com/
My understanding is that there is no fee for finding or listing your services.
http://makememaker.com/
My understanding is that there is no fee for finding or listing your services.