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I'm using Blender 3 and after making a race track I've noticed that some of the faces on my kerbs are greyed out or inactive - but only in X-ray mode (for example selected faces in screenshot1). They are displayed normally in all other modes (screenshot 2).

screenshot 1 screenshot 2

If I export the track and import it into Unity, the greyed out parts are missing. I haven't found an option to enable/disable faces. Also no luck on google - I'm new to Blender and probably don't search for the correct terms.

I really appreciate the help, thank you in advance!

Kind regards, Alex

Edit: moonboots' answer helped. Select faces, press Shift+N and check "inside" in the area that pops up in bottom left corner.

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  • $\begingroup$ maybe their normal is inverted? Select all in Edit mode and press Shift N to see if that fixes the problem $\endgroup$
    – moonboots
    Commented Feb 26, 2022 at 14:13
  • $\begingroup$ if moonboots answer doesn't help, pls provide blend file $\endgroup$
    – Chris
    Commented Feb 26, 2022 at 14:20
  • $\begingroup$ @moonboots Thank you, that helped! $\endgroup$
    – neotwoo
    Commented Feb 26, 2022 at 16:05

1 Answer 1

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The normal of these faces are probably inverted. Select all in Edit mode and press ShiftN to recalculate the normals.

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