# HPDOUBLE System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [H](Help%20System/GSTARCAD/2017/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 --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/H/HPDOUBLE%20System%20Variable--0f496317b710.md) · [GstarCAD 2018](../../../2018/System%20Variables/H/HPDOUBLE%20System%20Variable--0f496317b710.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/H/HPDOUBLE%20System%20Variable--0f496317b710.md) · [GstarCAD 2020](../../../2020/System%20Variables/H/HPDOUBLE%20System%20Variable--0f496317b710.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/H/HPDOUBLE%20System%20Variable--0f496317b710.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/H/HPDOUBLE%20System%20Variable--0f496317b710.md)