Universal Compatibility Effortlessly works with 42mm and 52mm spindle CNC machines. Broad Pen Support: Compatible with 5mm to 18mm in diameter pens Personal & Commercial Use Designed for CNC enthusiasts, this drawing robot module takes your machine to a new level of versatility. Whether you're a business owner or a hobbyist, our product delivers exceptional results that stand out in any setting. Unlock Artistic Potential with CNC Precision This CNC drawing robot brings automation to your creative projects. Write heartfelt letters, craft intricate drawings, and add professional detailing—all hands-free