# DONUTID System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2017/System%20Variables/D/(D).md) **Function Description:** The DONUTID system variable is used to set the default inside of diameter for donuts. | | | | --- | --- | | Type | Real | | Saved in | Not saved | | Initial value | 0.5000 | --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/D/DONUTID%20System%20Variable--3a3da8dcddda.md) · [GstarCAD 2018](../../../2018/System%20Variables/D/DONUTID%20System%20Variable--3a3da8dcddda.md) · [GstarCAD 2019](../../../2019/System%20Variables/D/DONUTID%20System%20Variable--3a3da8dcddda.md) · [GstarCAD 2020](../../../2020/System%20Variables/D/DONUTID%20System%20Variable--3a3da8dcddda.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/D/DONUTID%20System%20Variable--3a3da8dcddda.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/D/DONUTID%20System%20Variable--3a3da8dcddda.md)