CutViewer MillCutViewer Mill 
CutViewer Mill (CutViewer_Mill.exe). This is an easy-to-use application that graphically displays the material removal process for milling / drilling...
CutViewer is an intuitive application designed to graphically display the material removal process during milling and drilling operations. With support for 2, 2.5, and 3-axis machining, CutViewer allows you to visualize exactly how material is removed from raw stock based on tool definitions and stock statements.
Whether you are working with simple 2D shapes or more complex 3D designs, CutViewer provides a clear and precise view of each operation. It helps ensure accuracy in the machining process and offers a reliable way to preview the outcome before actual cutting begins.