# Mirror Enhancement [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [What's new](Help%20System/GSTARCAD/2017/What's%20new/(What's%20new).md) ## Mirror Enhancement In GstarCAD2017 we enhance the MIRROR command adding a new option.Besides picking start and end point to define mirror axis, you can also directly select objects as mirror axis like a line, polyline, a line of block,or an external reference drawing ![](Help%20System/GSTARCAD/2017/assets/GCAD_NEW/GCAD_GUG/pic/Mirror%20Enhancement%201.jpg) --- Gstarsoft Co.,Ltd ## Other versions with matching text [GstarCAD 2018](Help%20System/GSTARCAD/2018/Innovative%20Features/Mirror%20Enhancement.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/Innovative%20Features/Mirror%20Enhancement.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/Innovative%20Features/Mirror%20Enhancement.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/Innovative%20Features/Mirror%20Enhancement.md)