3D Systems Announces Preliminary Full Year 2013 Results; Guides Revenue in the Range of $513M-514M; Previous Guidance Was $500M-530M

3D Systems Corporation (NYSE: DDD ) announced today that it anticipates its full year revenue to be in the range of $513 million to $514 million, within its previously raised revenue guidance range of $500 million to $530 million on over 30% organic revenue growth and over 50%