ArtCAM Pro 81 refers to version 8.1 of the professional edition of ArtCAM. Released in the mid-2000s by Delcam (before Autodesk’s acquisition), this version represented a golden era for artistic CAD/CAM.

ArtCam Pro 8.1 is a professional software designed for creating 3D models, engravings, and reliefs. It's widely used in various industries, including woodworking, stone carving, and metal engraving. The software offers a range of tools and features that enable users to create intricate designs and patterns with ease.