Hello, I'm trying to add a sketched bend to a workpiece, however as we know the sketched bend feature puts a fold line across the whole work piece but this is not what I want as it is folding parts that I do not need folded on the workpiece.

I imported this part from a DXF as I thought it would be easier to do. Is there any way of stopping the bend at the same points my sketch lines end or what is the