Additive Manufacturing LinkedIn Groups

Group URL
3D Printing
3D Printing Guild
Additive Manufacturing (AM) – Rapid Prototyping ( RP ), Tooling and Manufacturing -3D Printing
From 3D Printing at Home to Additive Manufacturing
3D Printing Entrepreneurs
ACG – 3D Imaging, 3D Printing, Rapid Prototyping & Additive Manufacturing Users
TCT + Personalize – 3D Printing & Additive Manufacturing Network
3D Printing for Architects
Medical Additive Manufacturing & 3D Printing
Additive Manufacturing Users Group (AMUG)
3D Printing And Designs
Metal Additive Manufacturing
Shapeways 3D Printing Community
3D Printing / Additive Manufacturing Jobs and Recruitment Network
3D Modelling 3D Printing 3D animation
Consumer 3D printing
Additive Manufacturing in Defense & Aerospace (AMDA)
Medical 3D Printing
3D Printing & Rapid Prototyping
America Makes – The National Additive Manufacturing Innovation Institute
3D Printing – What Lies Ahead.
3D technologies (scanning, editing, modeling, printing, prototyping)
Aerospace 3D Additive Manufacturing
3D Printing; Digitize, Democratize, Disrupt
3D Printing News and Discussions

Other useful links:

Name Tool Coverage
AM Motion ( EC funded project on AM Mapping Worldwide
AM Platform ( EC funded project on AM Mapping Worldwide
3DP Business Media ( AM Business directory Worldwide