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I have made a model of a building. I was using the make face tool, but when I extruded it, it was a different color than the rest. enter image description here

Its not any different material or anything either... enter image description here

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You need to reset your normals, go into edit mode, select everything A, and hit Ctrl-N.

This happens when blender incorrectly guesses which way the face normal should be pointing when you make a face, it happens from time to time.

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  • $\begingroup$ Thanks! Why does this happen in the first place? $\endgroup$ – user3658408 Mar 5 '15 at 0:52
  • $\begingroup$ @user3658408 If this helped you please mark it as accepted as soon as you can, I do understand there is a wait time, but a lot of users forget to, which is anyoing $\endgroup$ – GiantCowFilms Mar 5 '15 at 0:56
  • $\begingroup$ I know, It says I need to wait 8 mins $\endgroup$ – user3658408 Mar 5 '15 at 0:57
  • $\begingroup$ @user3658408 Quite often it happens when you extrude a face in a different direction, scale by a negative amount, or fill mesh faces in an unexpected order. $\endgroup$ – VRM Mar 5 '15 at 1:39

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