DXF-AAMA is a file format developed by the American Apparel Manufacturers Association in an attempt to solve the difficulties of using DXF files. DXF is the most commonly used format for the exchange of drawing files. Unfortunately, since DXF does not contain neither scale or units, nor usually any method of reliably describing what needs to be cut, drawn, drilled, notched etc. in a pattern file, plain DXF files are normally not very useful.
But if the DXF-AAMA format is used, files can contain many patterns either nested, or non-nested, in a form which can be easily processed and used by plotter operators.
Properly used, DXF-AAMA is almost as good as the Vectorscript format that we mainly use. It is a format which is almost a standard, and if your customers can deliver files in DXF-AAMA format, you can be almost guaranteed a nestable pattern at the end of it which is a first for DXF!