The model was created by scanning (photogrammetry).
Model with non-overlapped UVW and highly detailed diffuse MapBlender Cycles
the model comes with sliced piece and the full cake each comes with 2 version (High Poly) (baked Low Poly)and The Cake Container With Semi Plastic material .
you have to open the files with blender 4.3 and can easily export it to fbx glb etc ...