Shapeways has figured out that the more people know how to use the 3D technology, the more customers they will have. So they have just uploaded a course call “Introduction to 3D printing: From Concept to Porduct.”
It is on the Skillshare learning management system and is free. There are 7 video lessons. It is located here:
it promises that”This class will teach you exactly how to model a 3D hand-held, print-ready, object using only free tools, with no prior experience necessary.” I am planning to take it and see what I learn.