I tested my loypolycar gltf on babylon its working fine on babylon but when i used it on c3 it shows white screen i didnot add any texture on babylon but it shows the texture but when i import it on c3 it shows white screen plz help
check your UV map in blender before export. you need to bake mutiple textures/materials into one. > add 3d object alpha > open texture diffuse/color map with edit and set path for gltf mesh > done