The version is 4.0, AnyViewer is a easy to use and powerful 3d model viewer., supports popular 3D model file formats such as STL, STEP, IGES, 3DS. Your 3D Modeling and Visualization platform. Features: 1. Modeling 2. Sketch: Line, Rectangle, Circle, Arc, Arc by 3 points, Polygon, Spline, 3. operations: make wire, make face,...