Disappearing model parts

Hello,

I experience a weird problem when rotating some models in three.js. Under certain angles of view some parts of a model become invisible. The problem is definetely has nothing to do with material.side.

Front view:
image

Back view (‘good’ angle):
image

Back view (‘bad’ angle):
image

Sample model:
Sample_GLTF.zip

Three.js version
  • Dev
  • r98
Browser
  • All of them
  • Chrome
  • Firefox
  • Internet Explorer
OS
  • All of them
  • Windows
  • macOS
  • Linux
  • Android
  • iOS
Hardware Requirements (graphics card, VR Device, …)

Author: Fantashit

1 thought on “Disappearing model parts

  1. Also related – #16055.

    This isn’t a loader issue. Careful modeling can avoid the problem, but there are probably things we could do within threejs to handle more (but not all) similar cases, and documentation would be a nice addition.

    I think this can remain closed, given the other threads that exist.

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