CNC Laser Machine - rotary attachment module, 3D printed elements plus list of required materials to assemble the device (ball bearings, screws, nuts, etc.)Plates can be cut of aluminium or acrylic if preferred (DXF available files on request) Gives you the ability to raise and lower wheels in a precise way to accommodate cylindrical objects you want to engrave. Lead screws give you a broad possibility of leveling your items, this setup and its dimensions allow you to engrave or etch large bottles, vases, mugs or glasses.You're provided with flexibility to build V-Slot alu-frame according to your specific needs.