In addition to the standard X, Y, and Z axes, the rotary attachment of E200 desktop laser engraver allows for a fourth axis that rotates the object 360° for laser engraving on cups, wine glasses, cylindrical objects, and even spherical objects.
The maximum diameter and length of the to-be-engraved object are 70mm (3 inches) respectively.
Its maximum weight should not exceed 3kg (6 lbs)