Another Boston - area startup, Desktop Metal, began to ship its first metal prototyping machines in December 2017. (technologyreview.com)
«That work applies across the GTX product line, which provides a complementary set of GPUs for our desired range of prototype Machines.» (slashgear.com)
A rapid prototyping machine then builds the mask out of soft, flexible silicon gel. (discovermagazine.com)