How do you unfold this type of piece?

3D Design Sheet Metal / Machine Welded
1

Hi all

I'm trying to unfold a tube on which I've done several removals of material.

Here's what my piece looks like: 

Thank you for your help.


16-075-c_tube_o406.4_x_10.0.step
2

Hello

See if you can do it like that.

http://www.lynkoa.com/contenu/mise-à-plat-dune-pièce-complexe-0

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3

Which version are you under; Could you attach the original file??? Here is my part with the dev in Sw 2016. 


16-075-c_tube_o406.4_x_10.0.sldprt
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