CST CAD Navigator 1 screenshot Cross-platform and easy-to-use CAD software. It provides quick import and export of 2D/3D formats, measuring and section tools. CST CAD Navigator supports AutoCAD DWG, DXF, PLT, SVG, CGM, STEP, IGES, STL, SLDPRT, X_T, X_B, and other formats. Download CST CAD Navigator 1