German company Hürner-Funken has been in the business of making fans and related products for 80 years. Over that time you can bet they’ve seen some methods of production come and go, but their openness towards looking at new ways to do things better and faster is a huge advantage. They’ve been using a German RepRap X400 since 2013 for prototyping, making small batches, and making small parts for customers. The company has obviously had great success with that particular machine, and it works as a perfect case study for their product. Read more at 3DPrint.com: http://3dprint.com/127585/hurner-funken-reprap-x400/