# Mirror Enhancement [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Innovative Features](Help%20System/GSTARCAD/2027/Innovative%20Features/(Innovative%20Features).md) In GstarCAD 2017 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/2027/assets/3590a62f26982eeee002f7d57d17df9b6c82490bbec900a68b30732f55bd33c7.jpg) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/FEATURE/Mirror%20Enhancement.html) · © Gstarsoft Co., Ltd.