Exporting a .glb file from Maya can be done in 5 easy steps.

STEP 1 - Set up 'world coordinate system'

STEP 2 - Set cameras to face the same direction (-Z)

STEP 3 - Export the .fbx file (with world coordinate system set at 'Up axis-Y')

STEP 4 - Import the .fbx file into Blender

STEP 5 - Export the .glb file equipped with cameras

Great job! Now you're ready to upload your design to your METAmakeR account or MarketSpace!