This only works for orthogonal, simple geometries (bricks, tiles, simple grids). Curves and diagonals often fail.
If you don't strictly need a .pat file and just want to use a block or image as a hatch, use the in full AutoCAD. Block to PAT — AutoCAD Pattern Conversion #AutoCAD #Tips
Here is how you can perform this conversion using different methods, depending on your tools and technical comfort. Method 1: The DXF & Online Converter Shortcut This is often the fastest way for simple geometry. Prepare Geometry : Open your