... 3.Red dot position 4.Support USB offline work 5.Laser tube:50w/60w mini laser engraver ... MT3050D,with smaller size, multiple funcion,it is suitable to work on small artworks, leather, cloth, wool, fur, acrylic, ... the size is small,so it is easy to transport. this model adds more optional functions,such ... cut cylinderical things when rotary clamp is added to the machine.The auomatic focus function makes ...