“Ooze Control: Procedural Shapeshifting FX in Pixar’s Elio” by Skeen – ACM SIGGRAPH HISTORY ARCHIVES

“Ooze Control: Procedural Shapeshifting FX in Pixar’s Elio” by Skeen

  • 2025 Talks_Skeen_Ooze Control_Procedural Shapeshifting FX in Pixars Elio

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Title:

    Ooze Control: Procedural Shapeshifting FX in Pixar’s Elio

Session/Category Title:

    Animating and Rendering Ooze

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Abstract:


    Cloning Clay, a space amoeba-like organic matter generating a variety of laughs, thrills, and clones throughout Pixar’s Elio (2025), required a suite of technical and creative FX techniques to land each story beat with a satisfying performance. In regular collaboration with several departments, this method delivered a range of effects, including dynamic hero clay FX, secondary rippling, and full-character transformations. A lightweight Houdini-based workflow was developed to ensure these techniques scaled efficiently across multiple sequences while minimizing per-shot overhead. Most shots were delivered via this base setup, but full-body transformations required significant rig customizations to handle increased complexity.


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