It seems that Jerome has successfully imported the .dxf format from an old OEM version of CorelDraw. If we knew which version of Corel this was, and what Autocad version of .dxf it outputs, we might be able to mimic this with other software.
For instance A9Converter:
A9converter
Also another possible problem is not knowing the steps are needed to input a .dxf into Jedicut properly.
Do we do that when we first open Jedicut? Or later when choosing a profile? And what do we see when we do successfully import it? Are we switched into profile view? Or is the imported .dxf available to pick as a profile, like an airfoil?
Without understanding how to import the .dxf, or what happens when we do, or what actions we are supposed to perform, we may just not be doing it right.
Perhaps it is properly importing, and we just don't know it.
If we could get these things clarified, I'd be happy to write up a Help section for using it.