Converting a .dwg file directly to a .pat (hatch pattern) file isn't a native "Save As" feature in AutoCAD, because PAT files are text-based scripts that define mathematical line repetitions, while DWGs are complex vector drawings.
Converting a DWG file to a PAT (Hatch Pattern) file is not a standard "Save As" function in AutoCAD, as PAT files require specific line definitions. Depending on whether you are trying to extract an existing hatch or create a new one from geometry, use one of the methods below. Method 1: Extract Existing Hatches (LISP Routine)
PatGen: A lightweight utility specifically built to grab geometry from AutoCAD and write the PAT code automatically. How to Load and Use Your New .PAT File
: An application that converts drawing entities (lines, points) directly into definitions. Hatch Pattern Generators : Tools like those on cadhatch.com
By following these steps and using the right tools, you can easily convert your DWG files to PAT files and use them in your CAD software. Happy converting!