There were no tricky technical questions. The best way to prepare would be to familiarize yourself with 3D printing, specifically the binder jetting process. Overall background knowledge (about both materials and 3d printing) will probably be more useful then small details.
Internship
Interview
Technology
Manufacturing
Materials Engineer
The ExOne Company
Most days there is different sorts of testing to be done. You are involved in printing parts, but more so with testing parts that have already been made. If you have any input on the projects you are put on, your advice is taken seriously. Sometimes the full-time engineers and technicians will as...
Internship
Day in the Life
Technology
Manufacturing
Materials Engineer
The ExOne Company