Blender creates files with extensions like blend1, blend2 for backup. However, these files are created in the same directory as the blend file you are working with. This clutters your working ...
It's not meant for a full-blown DXF exporter but as a simple function to save a surface to a DXF-file. The DXF file can then be used by laser cutting or or other tools to do the job. For some, working ...