The Discov3ry is an affordable paste extruder that can easily be added to almost any existing 3D printer. It will expand the range of materials beyond molten plastic, to include a wide range of pastes.
Preorder at http://www.structur3d.io/discov3ry-preorder/
Kickstarter Successful over 400% of goal - http://kck.st/1xAe9Vh
