What\'s the usual way to round the edges on a cube, a rectangular object as in the examples?
We were able to accomplish beveled cubes for our game WorldToBuild. The key is really that you can go ahead and make the beveled model, then just move the vertices in groups.
So in short, all I had to do to achieve the effect was:
I wrote an article about it here. Scroll to the bottom of the article if you just want to know the process:
https://www.linkedin.com/pulse/coding-resizable-beveled-cubes-unity-richard-christley