AutoSolids A2K 4.01 that could have been downloaded from our website for free. The most popular version of the program 4.0. Our antivirus analysis shows that this download is safe. This free tool was originally designed by AutoSolids, Inc. The program is included in Photo & Graphics Tools.
From the developer:
AutoSolids A2K supports AutoCAD 2000/2000i/2002 and their vertical applications including AutoCAD Mechanical, Mechanical Desktop, and Architectural Desktop.
AutoSolids greatly extends the 3D capabilities of AutoCAD(2008 and prior), enhancing not only its solid modeling capabilities but the coordinate system (UCS), viewing, and visualization commands as well.
You may want to check out more software, such as BabyaCAD, which might be related to AutoSolids A2K.