Did you know The 12 principles of animation were introduced by Disney animators Ollie Johnston and Frank Thomas in their book The Illusion of Life Disney Animation 1981 These principles have become the foundation for traditional and digital animation providing a framework to create more realistic and engaging animations Here s an overview of each principle 1 Squash and stretch 2 Anticipation 3 Staging 4 Straight-ahead action and pose-to-pose 5 Follow through and overlapping action 6 Slow in and slow out 7 Arc 8 Secondary action 9 Timing 10 Exaggeration 11 Solid drawing and 12 Appeal