At first I thought a loft with a helical guide curve would be the way to go, but I couldn't get that to work. Then I tried a straight loft with a twist feature added afterward and that seems to be good. Check out my example file. My dimensions aren't exact, I was just trying to get close to the shape. Also, I was a little bit confused by that note about profile Y merging with profile X at 28mm. Does that mean one of the profiles is supposed to be constant up to that point, and then they blend only on one half of the part? Or are they supposed to blend along the entire part? Anyway, in my example they blend along the entire part, but if they are supposed to only blend along half of it you can do a linear extrude for half and then the loft for the other half, then twist the entire part.
Thanks Jamil....The flex feature is really Interesting...I am coming from a PTC background..so always try to co-relate the capabilities...PTC Creo has something called as a Warp which has got the same features as Flex wherein you could twist, bend,deform a part as if the part is in a state of plastic deformation.
I however think that SolidWorks has got better control over the geometry through flex than PTC has in Warp...Super and keep responding as i will require help from experts like you all along as i get well versed with SolidWorks!
I'm glad I could help
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