When you do not have AutoCAD installed but need to transform vector line files into patterns, third-party standalone conversion tools can help. Desktop Utilities

Ensure your DWG source geometry consists entirely of individual Lines . Arcs, circles, and polylines must be exploded or converted to short linear segments before export.

Here are some tips and tricks to keep in mind when converting DWG to PAT files:

The most reliable way to convert a specific drawing segment into a hatch pattern involves using and a secondary export step.

Alternatively, you can save it in a custom folder. If you do this, open AutoCAD options ( OP ), go to the tab, expand Support File Search Path , click Add , then Browse , and select your custom folder. Type HATCH in the command line.