CADVANCE is a win16 CAD application. You can use it in Win-OS/2, so it does not require ODIN.

CADVANCE was the first successful Windows-based CAD application on the market. It is marketed world-wide and is used by Architects, Engineers, Designers and Facility Managers. Best known for its ease-of-use and effectiveness, it is sure to increase productivity. CADVANCE provides a total solution by offering complete integration with other applications in the Windows environment.