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I wanted to make a button like this :

enter image description here

And was able to create this button :

enter image description here enter image description here

But obviously, the shape is not really smooth (I'm talking about the star shape in the center). I already applied a subdivision surface modifier, so this model has already 22k vertices which is way too much I guess. I hope, that there is a better solution to achieve a smooth cone. This model will be exported to Unity so the solution should be exportable (I think stuff like "smooth shading" is not exportable since it's not applied in the model, right?)

This is the model without the modifier :

enter image description here enter image description here

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  • $\begingroup$ could you highlight what you think is unsmooth. Also, could you show it in 3d? $\endgroup$
    – Faceb Faceb
    Commented Dec 19, 2016 at 9:02
  • $\begingroup$ It seems that this problem occurs, because I've got a mix of triangles and quads and the subdivision surface modifier doesn't handle that too good... But I can't see how I should fix this for this model.. $\endgroup$
    – TobiasW
    Commented Dec 19, 2016 at 9:43
  • $\begingroup$ Smooth shading is exportable and should be used here. To make center part free of the star-like lines delete faces there, select the creased edge loop (or the one closer to the center, depend on the shape you're aiming to) and use Ctrl+F > GridFill. It will fill that area with quads. $\endgroup$
    – Mr Zak
    Commented Dec 19, 2016 at 10:20

2 Answers 2

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It isn't smooth because the center part has one vertex, try to change the center part into a circle (to fill, use either press the button F or go to Mesh--> Faces --> Fill and add loop cuts with ctrlR.

enter image description here

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  • $\begingroup$ I edited my answer :) $\endgroup$
    – Faceb Faceb
    Commented Dec 19, 2016 at 10:43
  • $\begingroup$ it doesn't matter, you can just keep them there :) $\endgroup$
    – Faceb Faceb
    Commented Dec 19, 2016 at 10:45
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The Problem here is as mentioned the one vertex pole. Have you tried to fill the center like this? (don't mind the rest of this model as it has a bad topology) enter image description here

The center looks smooth as seen below. enter image description here

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