I'm Andrusi, an IT worker by trade, once known for sprite edits. So how did I end up making stuff on Shapeways? Allow me to explain in three quotes:
"Man, I wish someone would make these particular add-on accessories to use with my Transformers. That would be great."
"Wait a minute! I have access to SolidWorks, Shapeways, and a vernier caliper! I could make those accessories!"
"Say, if I want to have these accessories, maybe someone else does..."