DXF2XYZ 2.0 converts a DXF file to an XYZ file.
Editor: DXF2XYZ 2.0 converts a DXF file to an XYZ file, ie a comma delimited text file containing just xyz coordinates. It can be useful for extracting the raw XYZ coordinates from a DXF file containing say contours or other elevation Entities.

Notes.
(1) This utility it limited to extracting the XYZ coordinates from the following DXF entity types:
POINT, LINE, POLYLINE / VERTEX, LWPOLYLINE
(2) AutoCAD庐 versions up to 2002 supported only. you can free download Dxf2xyz 2.0 A 21 now.