About the JIS stone, 2.5 mm hatch pattern
JIS stone, 2.5 mm hatch for CAD section drawings and details: 2 line families at a 2.5 mm pitch by default, scaled by one pitch setting.
Kind: line families. Also sold as: JIS STN 2.5.
The download is one AutoCAD .pat file. Downloads are metered; a Hatchy Pro license lifts the limit.