# SNAPUNIT [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) → [S](Help%20System/GSTARCAD/2026/System%20Variables/S/(S).md) ## Function Description: The SNAPUNIT system variable is used to set the snap space for the current viewport. | | | | --- | --- | | Type | 2D point | | Saved in | Drawing | | Initial value | 0.5000,0.5000(Imperial) or 10.0000,10.0000(Metirc) | If specified SNAPSTYL to be 1, the X value of SNAPUNIT will be automatically adjusted to fit isometric snap. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables_Sgsv/SNAPUNIT.html) · © Gstarsoft Co., Ltd.