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Solutions to "Bone Heat Weighting" error


Todor Nikolov writes:

Ever since I started sharing rigging-related videos on CGDive, one question comes up over and over:

"I used Automatic Weights but my character doesn't move with the rig. What is going on?"

If you are very sharp-eyed, you may notice a warning at the bottom of Blender's interface when that happens:

"Bone heat weighting: failed to find solution for one or more bones".

This video is a collection of the best techniques for solving this issue.

About the Author

Avatar image for Todor Nikolov
Todor Nikolov

Freelance 3d artist and a Blender head for the last couple of years. Recently started where I share in-depth CG tutorials.

1 Comment

  1. I generally find its the mesh itself. Try playing around with 'clean' up under 'mesh' menu
    I had a character , turned out it was the shoes were a bit messy and by running degenerate dissolve , it fixed it. Something to do with non zero edge lengths and zero area faces

    The rest of the mesh elements were fine ie torso , pants, gunlelt etc, so i reattached them all and re parented with automatic weights

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