When I import FBX file into Unreal engine file it seem transparent some part or symmetrical problem as in the pictures below
Hey there @longmtp2003! Welcome to the community! It looks like your normals may be facing the incorrect direction. There are a number of ways to correct this, but the most performant would be to flip the normals themselves inside of your modeling program. Though if you don’t mind a minor performance hit and don’t need to see through the inside of the car, you can just make the material two sided and be done.
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thank you so much.