I want to add a cylinder which will snugly fit an already round object that I have imported. I can select all the edges in the ring like this:

enter image description here

Now I want to add a cylinder which will have the exact same circumference/diameter as the selected ring so that I can merge them together to continue this round object.

How can I do this?

  • 1
    $\begingroup$ Extrude the selected ring downwards? $\endgroup$
    – John Eason
    Commented Feb 20, 2022 at 11:03

1 Answer 1


Try Extrude Region tool in the tool bar.

Select the edge and drag the + handle:

You can also use E shortcut.


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