The #46622 CNC 3040 Frame with Offline Controller + 100 W Spindle is a basic 3-axis CNC construction (Router/Engraver) for engraving, cutting, and milling tasks on materials such as wood, PVC, acrylic, plastic, PCB, foam, and other related materials. It is a 3040-type frame (working area approximately 300 × 400 mm) with a sturdy construction, standalone controller (offline controller), and a 100 W spindle, making it suitable for DIY, educational projects, model making, and light professional applications.