You would need to model this shape, either directly in Carbide Create Pro, or in a 3rd party program — have you considered 3D CAD such as Alibre Atom3D?
It should be workable to do it in Carbide Create Pro — model the arrow pass/cutout first, then restore the shelf/handle, then model that shape.
Alternately, see the technique at:
which is sort of workable, but requires a great deal of patience.
If you get stuck trying to do this, post the file and we’ll do our best to walk through it w/ you.