# \#mesh\_gpu\_instancing

**URL:** https://discourse.threejs.org/tag/mesh-gpu-instancing/1402.md

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## [EXT\_mesh\_gpu\_instancing geometry.applyMatrix4 error](https://discourse.threejs.org/t/ext-mesh-gpu-instancing-geometry-applymatrix4-error/48668)

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**Author:** [@Lawrence3DPK](https://discourse.threejs.org/u/Lawrence3DPK)\
**Replies:** 7\
**Last updated:** [March 4, 2023, 7:50pm UTC](https://discourse.threejs.org/t/ext-mesh-gpu-instancing-geometry-applymatrix4-error/48668 "2023-03-04T19:50:56Z")

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are there currently limitations on or a correct approach to use applyMatrix4() on geometry that’s part of a gltf model generated with the EXT\_mesh\_gpu\_instancing extension? I’m currently importing a gltf file with the e…