# DONUTOD System Variable [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [System Variables](Help%20System/GSTARCAD/2018/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2018/System%20Variables/D/(D).md) ## Function Description: The DONUTOD system variable is used to set the default outside of diameter for donuts. | | | | --- | --- | | Type | Real | | Saved in | Not saved | | Initial value | 1.0000 | This value could not be zero. If the value of DONUTID is larger than DONUTOD, they will exchange when running next command. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/D/DONUTOD%20System%20Variable.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/D/DONUTOD%20System%20Variable.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/D/DONUTOD%20System%20Variable.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/D/DONUTOD%20System%20Variable.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/D/DONUTOD%20System%20Variable.md)