There are 7 regular 6-sided polygons.

* Click and drag the interior of any polygon can move all the polygons. (To preserve their relative positions)

* Click and drag the edges of any polygon can scale all the polygons (the same reason)

* Click and drag the corners of the center polygon can rotate the whole scene.

  Click and drag the corners of the other polygons only rotate the one you click

* Press 't' to toggle the appearance

* Press 'a' for animation. To stop it, press 'a' again