Converting a (drawing) file into a (hatch pattern) file is a common task for CAD users who want to turn custom geometry into reusable textures. While there isn't a single "one-click" native button in AutoCAD for this, the process generally involves simplifying your geometry and using an intermediary format or a specialized tool. How to Convert DWG Geometry to a PAT File
: Explode any blocks so the geometry is simple and move the pattern close to the origin (0,0) to avoid alignment errors later. dwg to pat converter
files during this process. Copy them to a new folder before the export finishes, or they will disappear. Option 3: Manual Conversion via DXF Converting a (drawing) file into a (hatch pattern)