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[updated] How to model such surfaces?

Question asked by Bruce Stark on Mar 22, 2018
Latest reply on Mar 29, 2018 by Paul Salvador

Hi, how could I model such surface in Solidworks? I tried to make an extrusion with a dome on top, the result would not be exactly the expected, but could be close, but it didn't work. I also tried with lofts, but it produces self intersecting surfaces, and also doesn't work.



Here's another picture to help you understand the desired result.



I created the following sketches, c1 through c15 are the profiles along the geometry and the big green curve is a guide path.


I can make a loft from  c3 to c13, but without using the green curve as a guide. If try, the loft does not work. This way the result doesn't exactly follow the guide, but I could live with that.


The next step would be to create a loft from c1 to c3. I can create it without the guide curve, but then it doesn't get even close to the desired result (image below). If I pick the guide curve, it doesn not create the loft.



I'm modelling this for 3D printing, for a cosplay costume for my kid , so I don't need it to be perfect, but at least somewhat close to the reference sketches.


I also attached the .sldprt file if anyone's interested in taking a look at it.


Does anyone have any advices?


Thanks in advance...


P.S.:  Guys, really sorry, I didn't mean anyone to make the job for me, just need some advice on how to start, and since I spent so much time trying to figure it out how to model this, I didn't notice that to an outside person this picture is really not of great help.