# Blender 2.9: Problem With : Flip Normal Faces

When I Export (.fxb) file to (unity 5) i find out faces was flipped,

when i go back to blender to fix it , i found out when i do (Alt+N) for flipping normals its just flip one face side and the other face side is not visible

[![enter image description here][2]][2] enter image description here

## 1 Answer

You need to disable backface-culling in Blender and Unity.

# Unity

I have not used Unity in a long time; but I think you need to toggle the option cull-off found in the SunShader section I believe?

• I am so sorry for not responding early, I have a hard couple of days of work. Ok Mester I will do a little google searching about the (SunShader), I'm really thankful for the unity community, guys your so helpful and nice persons I really appreciate for lighting my mind Jun 5, 2021 at 12:36
• No problem, glad to help! If my post does indeed turn-out to be the question's answer, please consider marking it as the thread solution if you deem it appropriate. Jun 5, 2021 at 17:42