I could see why sellers would want it, and by extension customers would want it if some really beautiful models were for sale. Ref Shapeways vs thingiverse. I'm

I could see why sellers would want it, and by extension customers would want it if some really beautiful models were for sale. Ref Shapeways vs thingiverse. I'm not sure now is the right time for it though, just like iTunes would have been dead in the water before MP3 players became widespread.