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i'm getting stacked with this issue please help ! it's the first time i use blender i've been modeling for the first time without noticing that i have deferent color faces on my mesh without applying any material or colors !
the mesh looks unified but whene i apply unwarping i get splited surfaces and when i use ambient oclusion it apply only ont this splited face,it's realy strange please help !! here a link to my model for anyone who want to check it !