Use the Duplicate Relief Layer
button to duplicate a selected relief layer. In doing so, the contents of the original layer and its associated settings are reproduced on a new layer.
To duplicate a relief layer:
beside the
Front Relief or
Back Relief item to display either the front or back relief layer stack.
. The duplicate layer is created above the active layer in the stack. It is given the name of the active layer along with the Copy suffix. For example, Relief Layer Copy.