Add 3D models using a GeoJSON source

> For the complete documentation index, see [llms.txt](https://docs.mapbox.com/mapbox-gl-js/llms.txt) # Add 3D models using a GeoJSON source This example demonstrates how to use a [`model`](https://docs.mapbox.com/style-spec/reference/layers/#model) layer with a GeoJSON source to display multiple instances of a glTF 3D model. The sample data contains a collection of wind turbines with their ID and operational status as GeoJSON features. The model appearance is styled based on the turbine's operational status using expressions. Additionally, a [`symbol`](https://docs.mapbox.com/style-spec/reference/layers/#symbol) layer displays turbine IDs and status as text labels for turbines that are not operating normally. > Example code: **JavaScript** ```html Add 3D models using a GeoJSON source

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