modeling cube into cylinder I am new to blender and currently trying to learn modeling techniques. I would like to change a square into cylinder. From what I've read the easiest way would be to use the array modifier and warp it around a bezier circle and then extrude that object. But I was wondering if there are any tutorials on how to do this using only transforms and only a few subdivides....To be specific, I'm trying to make a pillar object from a cube
I took the liberty to simplify the provided answers.




  Leon Cheung-method:


Bevel Ctrl+B edges and use Clamp Overlap C while beveling.

Example:






  stacker-method:


Enable LoopTools Addon that comes with Blender.

Then, use: W > LoopTools > Circle - Even though sometimes you need to manually adjust some angles.

Example: