If you regularly create custom hatch patterns, investing in a dedicated conversion tool will save hours of manual alignment. Popular Tool Options:
Here is a practical approach to turning a drawn element into a PAT file by combining manual setup with an extraction tool:
Type Yes or No when asked to accept the block placement frame.
A robust, dedicated hatch pattern manager and editor. It allows you to import DWG/DXF files directly, visually inspect the tiling mechanism, and export optimized PAT files for both AutoCAD and Revit.