Athanor by arbastro
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How to use the Timeline's advanced mode

In the Timeline, switch Basic to Advanced. Steps shows each step with its duration and easing; Keyframes shows a track for each structure that changes, where you add and move keyframes. Easing sets how each move speeds up and slows down.

Steps

  1. Make an animation first: draw the curved arrows and press Animate my arrows. See How to animate a reaction mechanism.

  2. In the Timeline's bar, switch Basic to Advanced. The bar gains Back to the start, the loop button, the playhead time and Add keyframe, and Steps and Keyframes tabs appear under it.

  3. Press a step to pick it. The bar then shows Copy this keyframe, Delete, and Easing for the move into that step.

    The Timeline in advanced mode with the Transition state step picked: Add keyframe, Copy, Delete and Easing set to Smooth.The Timeline in advanced mode with the Transition state step picked: Add keyframe, Copy, Delete and Easing set to Smooth.

  4. Press the Keyframes tab. Each structure that changes gets its own track, with a diamond for each keyframe along the time ruler and the steps across the top.

    The Keyframes tab, with tracks for the two structures that change and their keyframes.The Keyframes tab, with tracks for the two structures that change and their keyframes.

  5. Move the playhead and press Add keyframe to fix a pose at that time. Pick Easing to change how moves start and stop, for example Smooth.

  6. Switch back to Basic for the simple view.

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Last updated Nov 12, 2026