What causes pinching during animation, and how can topology reduce it?

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What causes pinching during animation, and how can topology reduce it?

Asked on Nov 23, 2025

Answer

Pinching during animation is often caused by poor topology, where edge flow does not support natural deformation. Proper topology can reduce pinching by ensuring that edge loops follow the natural contours of the model, allowing for smooth bending and flexing.

Example Concept: Good topology involves creating edge loops that align with the model's natural lines of motion, such as joints and muscles. This allows for clean deformation during animation, reducing the likelihood of pinching by distributing stress evenly across the mesh.

Additional Comment:

Ensure edge loops are circular around joints to accommodate bending.
Use quads instead of triangles to maintain even surface tension.
Check deformation in key poses to identify and correct potential pinching areas.

✅ Answered with 3D Design best practices.

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