Concave Faceting Machine Video › Forums › Faceting Machines › Concave Faceting Machine Video 1 voice, 0 replies Viewing 1 post (of 1 total) Author Posts July 4, 2018 at 3:03 pm #4871 Justin PrimParticipant @justinprim my new episode of World of Faceting Machines looks at the OMF concave machine: OMF Concave Machine Video Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Enter something special: Log In