PBR

Physical Based Rendering - accomplished here with PBRMaterial.

<box name="plane" width={65} height={1} depth={65}>
  <pbrMaterial reflectionTexture={cubeTextureRef.current}>
    <texture
      url="../../../assets/textures/reflectivity.png"
      assignTo="reflectivityTexture"
    />
  </pbrMaterial>
</box>