PDSYMS is an architectural/interiors symbols library add-on for almost all CADD packages including IntelliCAD, Microstation, TurboCAD, DataCAD, AutoSketch, LinuxCAD, VersaCAD, MacDraft, FastCAD, DesignCAD, AutoCAD and AutoCAD LT.
This is the full professional tool, including 3d modeling and rendering, symbol definition editing, and advanced capabilities for working with multiple drawings and overlays.