The Flip Across Axis tool is used to mirror a path across a custom axis.
The path will be the mirror image of the original path
reflected across the custom axis (the mirror). The initial touch selects the path to flip but this point does not
need to be along the mirror.
Drag your finger to another point and press the Mark Button
This defines one end of the reflecting axis. After that, the other end of the axis is defined by the
current position of your finger. Drag it to another point and lift your finger. The axis will be defined
and the path will be created. There is one other construction option that can be set before construction begins. On the
Transformations tab there's a checkbox labeled "Create Copy"
If this is enabled, a copy of the path will be created. The original path will not be affect in any way. Here’s an example of Flip Across Axis