Extracting only the outer & visible surfaces of a complex model

Do you think it would be possible to do similar approach using iterative Convex-hull 3D? And gradually subdividing faces by projecting their face centers to closest mesh point.
Just wondering if it would break for sharp faces like the one you post with lizard and whether this technique would require mesh refinement at each step.

Similar to this paper, I believe you know it better:
https://ranahanocka.github.io/point2mesh/

lizard2

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