How to unfold a curve surface to a plane surface

I want to unfold a truncated oblique cone to a plane surface for fabrication as attached.
Surface for unfold.3dm (54.8 KB)

Is it possible?

Hi Youngken - Use SrfSeam to move the seam to your cutting line, assuming it lines up, then UnrollSrf.


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Hi Pascal,
After unfolding, I want to know whether the isocurve is divided by angle (45 degree) or not?

Hi Youngken - I have no idea but Iā€™d think off hand that is very unlikely, unless by chance. You can test by adding lines every 45 degrees and unrolling with the surface.