Click on the green flag to start. Click on play button to make your first drawing. Use Turbo Mode if you want to go fast. Try your own combinations and free your "Spiro" sense of art. Archive your masterpieces with right-click & "save picture of stage". ;o)
Several enhancements since previous version (Spiro v3): - Epicycloids AND hypocycloids are now available - "Shift" parameter which shifts the pen from edge of Circle 2: possibility to get epitrochoids or hypotrochoids Plenty of new curves with always a lot of graphical options. Help (tutorial) is about to be implemented. =]