Andreas Nortmann wrote:
Does that improve the turnability?
Of course, otherwise they block each other and the cube can't be turned.
I just noticed that after gluing, so I had to round them one by one.
Tiles for bandaged versions ( 2x4 and 4x4) were rounded 8 by 8.
Now, it turns as good as the 4x4x4 without sticker.