AutoCAD Hatch Patterns - a library containing 365 hatch patterns.Contributor: Unknown (via Lindsay Bennett) Version: VW 9.0: Brick Hatches: 2 Brick hatch patterns Contributor: Francesco Bellazecca. Concrete: Two different concrete hatch patterns Contributor: Doty Shepard: Version: VW 8.5: Flagstone: Flagstone or Ashlar style stone pattern.
The default path is mentioned in the Support File Search Path list under the Files tab in Options.
Copy your hatch pattern PAT file(s) into the default Support folder that AutoCAD employs to locate hatch patterns.