A full-featured 2D and 3D CAD program for Windows, Mac and Unix workstations from Bentley Systems, Inc. Created in 1984, MicroStation is a high-end package used worldwide in environments where many architectural and engineering designers work on large projects. MicroStation TriForma (formerly MicroStation Modeler) is a superset of MicroStation that provides solid modeling, and PowerDraft is MicroStation's production drafting suite of tools. See
solid modeling.