Perfect for engraving cylindrical objects. This rotary roller for laser engraving machines is ideal for engraving cylindrical items. Securely place your cylindrical workpiece on the roller and rotate it evenly through LightBurn. It is suitable for engraving cans, wine bottles, mugs, curved objects, and more. Adjustable width for different diameters: 7 gears are optional for cylindrical objects of varying sizes. Engrave goblets evenly: The lifting bracket is designed for securing slender parts of classic items such as wine bottles, goblets, etc. Work better with risers: Engraving cylindrical objects becomes easier with risers (not included) as they increase the engraving height and meet more engraving requirements. How to connect and debug the machine: Connect the roller to the machine via the port. Adjust software parameters: Before using the roller, you need to change the value of $101; enter $101=60.375 in the console and press Enter; restart the machine after making the change. Start engraving cylindrical objects.