# Side Line [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [User Guide](Help%20System/GSTARCAD/2018/User%20Guide/(User%20Guide).md) → [Additional Pages](Help%20System/GSTARCAD/2018/User%20Guide/Additional%20Pages/(Additional%20Pages).md) ## **Side Line** **Menu:** Express\>GstarCAD Tools\>Rotate Cursor\>Side Line **Command Entry:RTCUR1** ## Operation steps: 1. Start the command. 2. Select the reference segment and system will align the X axis of the cursor to the selected segment. --- Gstarsoft Co.,Ltd ## Other versions with matching text [GstarCAD 2016](../../../2016/User%20Guide/Additional%20Pages/Side%20Line.md) · [GstarCAD 2017](../../../2017/User%20Guide/Additional%20Pages/Side%20Line.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/User%20Guide/Additional%20Pages/Side%20Line.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/User%20Guide/Additional%20Pages/Side%20Line.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/User%20Guide/Additional%20Pages/Side%20Line.md)