I need to convert this part and unfold it
Good morning Sergio,
To do this in SolidWorks you need to do it in two parts, funnel and top part.
what is funnel
The bottom tappered section.
I think what John means is the portion that is tapered needs to be separate than the portion that is straight. The tapered portion would need to be created using a Lofted-Bend.
Good morning Matt,
You can also do a revolve extrude and insert bends,
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