Spherified cube


I’m pretty new to blender and I am currently following a head modeling tutorial that is asking me to spherifiy a cube. The tutorial was generally wrote but it is done in 3ds max. Is there anyway to do this in blender without having to manually edit each vertice?

This is the tutorial:


Look in the edit buttons for the to sphere button, or make it rounder with subdivide smooth or the subsurf modifier.

Thanks a lot. I guess I should have looked harder…

What about instance-mirroring?

EDIT:Nevermind I figured it out.