Hello everyone, i deleted the previous post to make one more clear.
I'm doing something in Milkshape 3D, i saw a videotutorial on YT and I started doing it too, just the problem is this... the other sides of the roof appear in black and i don't understand why... the video that i watched is not too clearly, so can someone help me? can someone explain me what is the issue? maybe some setting is missed?
I am attaching the sceenshot