Threejs fbxloader buffergeometry no indexed

threejs fbxloader buffergeometry no indexed,and This will cause the number of vertices to become very large, which will cause the model to become very large when exporting the model. Is there any good solution to this?

Yup, you can use BufferGeometryUtils to merge the vertices back together.

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Thank you very much. The size has indeed been reduced a lot after the merger.