For creating a true, portable hatch definition from scratch, third-party generators are often the most reliable way to handle complex geometry. SAVING AUTOCAD DWG AS .PAT FILE - Forums, Autodesk
If you simply want to use a drawing as a pattern within your current project without creating a separate .pat file, use the command. This is part of the AutoCAD Express Tools . Step 1: Draw the geometry you want for your pattern. convert dwg to pat file
If your DWG already contains a hatch pattern and you need to "extract" it into a .pat file for use in other drawings, you can use specialized LISP utilities. For creating a true, portable hatch definition from
Run the command (e.g., GETPAT ) and select the hatch in your drawing. Step 1: Draw the geometry you want for your pattern
Download the .lsp file and load it into AutoCAD using the APPLOAD command.
The routine will generate a .pat file and save it to your specified directory. 3. Converting Geometry to .PAT (Third-Party Tools)