How do I change the shape of the Font palette?

The Font palette or Font panel, that little friendly window that comes up when you press ⌘-T, has a surprising number of possible shapes. Some you can get by simply resizing the window from the lower right corner.

Drag up left:


Drag up right:


Drag down left:


Drag down right:


And then access the wheel menu, where you can show "Preview" and "Effects":

With Preview:


With Preview and Effects buttons:


You can also mix them to some unusual but perhaps useful combinations, like Preview in a really small window.