# UCSBASE System Variable [GstarCAD 2024](Help%20System/GSTARCAD/2024/Index.md) → [System Variables](Help%20System/GSTARCAD/2024/System%20Variables/(System%20Variables).md) → [U](Help%20System/GSTARCAD/2024/System%20Variables/U/(U).md) ## Function Description: The UCSBASE system variable is used to store the the name of the UCS that defined the original point and direction for ortho UCS settings. | | | | --- | --- | | Type | Strings | | Saved in | Drawing | | Initial value | "" | The valid value can be any named UCS.. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2024_en-US/detail/systemVariables_Ugsv/UCSBASE.html) · © Gstarsoft Co., Ltd.