This longly awaited product should be finally available for preorder:
Newton3D Printer has been released on the 18th of December 2013.
This is a desktop Metal 3D Printer with the following characteristics:
-
desktop metal 3D printer working with non proprietary metal clay including steel, bronze, gold, silver, etc.
-
standard resolution of up to 400 micron,
-
build volume: ~5in x ~5in x ~2in.
Here on you can see examples of objects made with Newton3D, check out the quality:
More to see: http://www.myminifactory.com/search/category/96/NEWTON-3D-METAL-PRINTING
Sadly, not open source.