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I'm trying to model a ring with a special form. On one axis, the sides wider towards the top and at the same time the top part is making an oval like in this drawing:

ring drawing

edit: here is an actual picture of the ring ring picture

And Here is my failed attempt:

my mesh

How can you model a rign like this?

edit: I tryied to scale / move the upper part with proportional edit, but I cannot achieve a smooth result:

https://www.youtube.com/watch?v=QGy94dVU--A

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  • $\begingroup$ Select all the flat faces at the top of the ring and with Proportional Editing turned on Scale on X $\endgroup$ – rob Oct 22 '19 at 16:31
  • $\begingroup$ Select the top flat faces and use "to sphere" this should work and it's a very short way to do it, just make sure you're not using proportional editing. $\endgroup$ – Georges Oct 31 '19 at 16:00
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I have a ring similar with your picture. The lenght is not the same, but the modeling way could work. First I did a structure with circules and arcs what are the edges and following the faces using Grid fill.

enter image description here

I am doing the process step by step to get the pictures:

  • Draw the main edges using arcs and circles; enter image description here

  • Do the surface with grid fill. I needed to cut the path of circles to use grid fill; enter image description here

  • We have a simetric part, so we need only 1/4 of body and use mirror to get all ring; enter image description here

Create a cylinder to get the central hole through boolean operation; enter image description here

  • Use the modifier boolean difference between ring body and cylinder. Apply it; enter image description here

In edit mode, select the vertices from botton right of ring; enter image description here

  • Using the spin tool, do the botton half of the ring; enter image description here

enter image description here

  • It was added the modifiers edge split and Subdivision surface;
  • Do the top surface defining a vertice at center of circle and the edges to border; enter image description here

enter image description here

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  • $\begingroup$ This shows a very nice result.. it would be a more useful answer if you illustrated enough of the process to give @denoise a shot at reproducing it? $\endgroup$ – Robin Betts Oct 31 '19 at 6:24
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Your blueprint is not very clear but I've tried something, here it is, step by step, tell me if it's correct.

enter image description here

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  • $\begingroup$ it looks very nice! but the sides should be flater. can you explain me al little bit more how did you did this? $\endgroup$ – denoise Oct 22 '19 at 18:09
  • $\begingroup$ fater? it fits your blueprint, except the top circle but you didn't give any top view, plus I think your blueprint wasn't completely explicit, so it's only a guess... well to do it you need to put the blueprint as background, mirror, follow the shape with some extrude, move, delete, join, merge, etc... ;) $\endgroup$ – moonboots Oct 22 '19 at 18:14
  • $\begingroup$ how did you shaped the top part as a circle? di you joined the circle with the rest of the mesh? $\endgroup$ – denoise Oct 22 '19 at 18:20
  • $\begingroup$ I first made a square, then created a circle, deleted the square and joined with the rest of the mesh, but there might be other ways. If the top is fatter than what I've done, just move some edges. $\endgroup$ – moonboots Oct 22 '19 at 18:22

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