# HPDOUBLE System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2026/System%20Variables/H/(H).md) ## Function Description: The HPDOUBLE system variable is used to specify double hatch patterns for custom defined patterns. | | | | --- | --- | | Type | Integer | | Saved in | Not saved | | Initial value | 0 | | Range | 0,1 | The double hatch pattern specifies a second set of lines drawn at 90 degrees with original line. ## System Variable Value: **0:** turn off double hatch pattern **1:** turn on double hatch pattern --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/HPDOUBLE.html) · © Gstarsoft Co., Ltd.