in one go and with a clean result?
E.g
The closest I found in blender is the “connect vertex path” but it almost always gives me unpredictable and messy geometry.
Is there another way?
Run a “Vertex Connect” command after selecting all of the vertices. This does the same operation as what you’re showing being done in Cinema 4D.
Space bar > Vertex Connect
The main difference between this tool and Connect Vertex Path is this tool ignores selection order and connects all selected vertices that share a face.
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I get inconsistent results with connect vertex in that case.
A different approach with the same result:
- loopcuts
- dissolve central vertex (x, d)
- poke the n-gon (alt+p)
- bevel the central vertex (ctrl+b, v) and delete the face
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Thanks for the answer 3DKiwi from c4dcafe (yeah, I remember you. I’m quite surprised to see you here) 
Anyway, I’m testing this in 2.8 btw, but when I execute this command nothing happens. Not sure if i’s a bug in 2.8, or something else. Also I can’t seem to find that function in the UI, it’s only available in the search, maybe?
Hi, thanks for answering and explanation. Yeah, I know how to do it in other ways, I was just curious if there was a quick one button solution. 
Here’s another unsolicited way to do that:
- triangulate the n-gons (ctrl+t)
- tris to quads (alt+j) - you will need to adjust the default settings to increase the max shape angle above 45°
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Interestng.
Thx.
My guess is there’s a bug or the function isn’t working yet in 2.8. I’m still on 2.79b and it’s working fine.
Another way of doing it is to start with 4 square polygons i.e. the top left corner. You then do an inset. Select the 4 polygons you just inset and run a “circle” command.
Or you can just run a connect vertex path command J on 2 vertices at a time.
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Knife tool.
“k”
click - click - e
click - click - e
click - click - e
click - click - e
enter
done