Ampliforge? looks like forging. see: http://forgingmagazine.com/site-files/forgingmagazine.com/files/uploads/2015/09/Alcoa_AdvancingAdditiveManufacturing_2015.jpg http://forgingmagazine.com/forming/alcoa-details-research-process-strategy-maximize-3dp-0 see video, after 2:00 minutes https://www.youtube.com/watch?v=nK5Ato_irdw&feature=iv&src_vid=M-kxNpgE22c&annotation_id=554a01c2-0000-22d4-9a08-001a1149c660