Glad to see someone bringing 3D printing to our cars. This just opens up so many opportunities. There are different types and brands but the industrial printers can make some tough durable parts. The aerospace industry uses them a lot, every type of manufacturing and racing.
You honestly have to start thinking in totally new directions. Instead of can I make something? It becomes how to best make it.
I didn't know at this stage of my life I would end up working in Tech Support at Stratasys for both FDM and Polyjet. One builds with industrial polymers and the other with photo-resins. We have branches of the company which will take your design and print it in anything from wax to titanium.
Do you live here in MN? I work for Stratasys as well, developing new 3D printing technology and future innovation of our FDM industry.