2013 Results from Survey of 3D Printing
Peer Production has released the second in a now-annual series of longitudinal surveys on the 3D printing community.
http://surveys.peerproduction.net/2013/09/3d-printing-survey-2013/
#3dprinting
Interesting information, but pie charts are pretty bad for conveying information. Not to mention the color blind aspect. At least in these charts each slice is individually labeled. What about amounts, though? A lot of those slices appear to be the same size.