1.Recommend the use of vray material, except vray hair material. Hair material is not allowed in the uploaded models. (the rendering does not support vray hair material)
2.Please use separate material IDs for models with different materials. Please use the same material ID for the same material in different areas.
3.Make sure there are no breakpoints or overlapping faces during modeling. (black surface phenomenon will appear)
4.It is necessary to ensure that all nomal line of all parts remain frontal. (select the part model and click on the element, the color is bright red for the front, dark red for the reverse)