ABViewer is a feature-rich CAD software with perpetual licenses. It supports a large number of 2D and 3D formats, including DWG, DXF, IGES, STEP, STL, SLDPRT, SVG, CGM. With ABViewer, you can view files and get dimensions, create and edit 2D files, convert PDF files to editable DWG/DXF, generate G-code for CNC machines, export files to other formats.
Download a free 45-day trial version of ABViewer by following https://cadsofttools.com/download/abviewer.zip
Read more about ABViewer at https://cadsofttools.com/products/abviewer/