All meshes have position (0,0,0)

Questions
3

Hi

  1. All position vectors are ( 0,0,0 )
    Are that meshes children of another mesh?
    Then ( 0, 0, 0) may be local position not global position.

  2. glb gltf format issue
    I heard that is nature of glb gltf format.
    Using babylon exporter solves the problem.
    reference:
    Imported mesh is separated into sub meshes