Creating rounded cap I was watching speed modeling video and saw haw cylinder flat cap was evenly rounded with a few edge loops very quickly.

https://www.youtube.com/watch?v=pX9pjtqanx4&amp;list=PLTU7oKhL-me_h85qGNvavQwFigm7GX0xV&amp;index=1&amp;t=1s second 19. Slowdown play speed to 0.25 to see it clearly.

Apparently, the author did it with some key shortcut. I would like to learn with technique.
It seems Extrude followed by a a CRTL-B bevel where subdivisions are set with the mouse wheel



btw it was also asked and explained in comments under the video...