• How it used to be done
• The spirograph
• Spirograph applet
• Harmonographs
• Canonic composition
• Mozart's Dice Game
• Output
• Pellegrino
• John Cage, 4'33''
• Jackson Pollack
• Enchanted Forest
• Tinguely's Méta-matic
• Tinguely in his studio
• Meta-matic explosion
• Summary
• Exercises