Instructions (hover here!)

Start drawing: Place your cursor inside the circle in the middle of the page and hold down the left mouse button.
Drawing: Move your cursor inside the circle while holding down the left mouse button. The kaleidoscope is generated automatically.
Stop drawing: Release the left mouse button. Check whether you're happy with your drawing.
Start over: Simply click the left mouse button again.
Buttons below the kaleidoscope:
Clear: Erase the drawing and start a new one.
Save: Save the drawing to view it again later.
Publish: Share the drawing with friends and add it to the gallery.
Settings: On the right side of the page you'll find options to adjust the kaleidoscope, such as line color and thickness.