What about just using the good ol’ Apple + and - sign for maximize and minimize respectively? For unmaximize, the square is already used:
[ - + x ] when unmaximized [ - □ x ] when maximized
What about just using the good ol’ Apple + and - sign for maximize and minimize respectively?
For unmaximize, the square is already used:
[ - + x ] when unmaximized
[ - □ x ] when maximized