Very cool Brian. I had looked into this a while back to do scope knobs and sidewheels but the materials/resolution seemed to be a letdown. Looks like they have gotten better. Now to find time to learn the software!
These days most of the aftermarkets parts guys use CNC/traditional machining. I wonder at what point 3D printing will start replacing some or most of that workflow. If the resolution and materials are there imagine how much easier to knock out these kinds of parts.