إبداعات 3D الطباعة
Printrbot CEO Brook Drumm Assembles a HUGE Metal 3D Printer http://3dprint.com/5418/printrbot-brook-drumm-huge-3d-printer/
Printrbot CEO Brook Drumm Assembles a HUGE Metal 3D Printer http://3dprint.com/5418/printrbot-brook-drumm-huge-3d-printer/