Converter from DXF files

PDF conversion of the DXF format file which is the general-purpose format of CAD can be simply performed, if a freeware which are introduced with General creater and converter is used.
A DXF file is load with CAD software and it only outputs to general-purpose PDF conversion software by the print function of CAD software.
If it is saying that it uses on full-scale business, it will be better to use commercial software rather than to use freeware.