This may be one of the cheapest and easiest CNC drawing machines you'll find | Arduino Blog
Instructables - Build an Arduino-based CNC plotter with free files and step-by-step instructions by lingb ✍️ https://www.instructables.com/CNC-Plotter-1/ | Facebook
How to: DIY Arduino CNC Router Cutter Welder (Part 5: Router, GRBL Settings and EASEL Tutorial) - YouTube