an All Creative World site Ivan's picture  Rediscover the
spirograph   Remember how joyfully you contributed to
deforestation when you got your first spirograph at the age of
five? You can relive the experience in a much more
environmentally friendly way using Illustrator or any other
vector application if you have a fast enough computer.    1.
Create any shape and add a thin stroke and no fill.   2. Move
the object slightly (or do any other transformation) while
pressing the Alt (option) key to make a copy.   3. This is where
the fun begins. Press Apple-D (Cmd-D) to repeat the
transformation. And keep pressing it and see how the texture
start to appear.  off center rotationYou can try different
transformations, such as rotation with the center moved off from
the default central position. To do that you select the rotate
tool and click outside of the object anywhere on the pasteboard
before you do the rotation.  This texture can be found many
times on documents and money to protect against easy
reproduction.