MiniCAD

MiniCAD is a fast and easy-to-use DWG/DXF/DWF (AutoCAD R14-R2017) file viewer. It lets you open various DXF, DWG, (R14-R2017) and DWF versions on your Mac.

The tool can identify literal fonts and entity color correctly. You can print with plot styles and plot to PDF. You can view both 2D objects and 3D models.