observable for mesh loaded, make sure mesh is visible
observable for mesh loaded, make sure mesh is visible

Kesshi/Babylon.js,BabylonJS/Babylon.js,NicolasBuecher/Babylon.js,BabylonJS/Babylon.js,sebavan/Babylon.js,RaananW/Babylon.js,RaananW/Babylon.js,NicolasBuecher/Babylon.js,RaananW/Babylon.js,Kesshi/Babylon.js,Kesshi/Babylon.js,NicolasBuecher/Babylon.js,sebavan/Babylon.js,BabylonJS/Babylon.js,sebavan/Babylon.js