Why does my model shake




The area in the red box keeps shaking

It’s likely caused by z-fighting. When you place two planes / faces very close to each other (and they are facing the same direction) - the renderer may have issues determining what should be rendered first.

Depending on the camera angle the answer may be different - hence, as long as you keep moving the camera, the jittery effect appears.

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Put the model on this website, it will not shake, but I looked at the source code of this website, did not find anything special

those thin plates are too close or there’s a modelling error ,

to fix

  • clean up the faces in your 3d software (check those golden plates)
  • try putting material.side = three.frontside
  • try decreasing the camera.far and increasing the camera.near
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