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I'm going to make the top face of cylinder to a sphere like curved surface, like a cap on top of the cylinder, I've searched a lot but everything I found is round an edge rather than round a surface

From this

enter image description here

To this kind of shape

enter image description here

Thanks.

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  • $\begingroup$ Can you not create the domed top first from a UV sphere by deleting the lower section to get the form you want, then select the bottom ring of vertices and extrude them downward to create the cylinder section? $\endgroup$ – John Eason Jan 21 at 14:05
  • $\begingroup$ It is a good idea, I will try that $\endgroup$ – user3505400 Jan 21 at 14:20
  • $\begingroup$ c If you then want to alter the curve of the top, you can select the top centre vertex and use proportional editing to alter the profile of the dome as you wish. $\endgroup$ – John Eason Jan 21 at 15:00
  • $\begingroup$ How to get a top center vertex, my cylinder does not have a middle vertex $\endgroup$ – user3505400 Jan 21 at 15:11
  • $\begingroup$ use inset (i), scale down, then create additional edge loops with Ctrl B (bevel) $\endgroup$ – moonboots Jan 21 at 15:17
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I guess the easiest way is to extrude and bevel. You can tweak the shape in the Operator box, or scale later on the Z axis:

enter image description here

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You can also customize the profile of the bevel in the Operator box:

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To illustrate John Eason solution, you can inset your top face (i):

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Then bevel (CtrlB) to create additional edges:

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Enable Proportional Editing (Sphere mode) and move up the central face:

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Tweak the parameters in the Operator box if necessary:

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  • $\begingroup$ This seams like a good workaround, I am wondering if there is more official way to get the sphere top $\endgroup$ – user3505400 Jan 21 at 14:19
  • $\begingroup$ you can work the other way around: create a sphere, delete its bottom half, extrude down to make the cylinder $\endgroup$ – moonboots Jan 21 at 14:49
  • $\begingroup$ Yeah just like @john said, I will have a try $\endgroup$ – user3505400 Jan 21 at 15:12

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