![Question] When I import models into Unreal 4 certain faces are missing on the model even though they are visible in Blender. How to fix this? : r/unrealengine Question] When I import models into Unreal 4 certain faces are missing on the model even though they are visible in Blender. How to fix this? : r/unrealengine](https://external-preview.redd.it/Oiv0VXn_twgONqXLs2NsSoqr2DHzFtBCceEEJASAQ6Y.jpg?auto=webp&s=9fbbb0757859eb73f56ec0c6ef3a44c8c6b708eb)
Question] When I import models into Unreal 4 certain faces are missing on the model even though they are visible in Blender. How to fix this? : r/unrealengine
![FBX import from Blender has "degenerate tangent bases" and is shaded incorrectly - Rendering - Epic Developer Community Forums FBX import from Blender has "degenerate tangent bases" and is shaded incorrectly - Rendering - Epic Developer Community Forums](https://d3kjluh73b9h9o.cloudfront.net/optimized/4X/1/8/4/18475e91361f34ccfd2cb5bd5fd7aa3bbea95e7e_2_690x321.png)
FBX import from Blender has "degenerate tangent bases" and is shaded incorrectly - Rendering - Epic Developer Community Forums
![FBX import from Blender has "degenerate tangent bases" and is shaded incorrectly - Rendering - Epic Developer Community Forums FBX import from Blender has "degenerate tangent bases" and is shaded incorrectly - Rendering - Epic Developer Community Forums](https://d3kjluh73b9h9o.cloudfront.net/optimized/4X/f/5/9/f59e7891745c6691d04aecb8d53cdada0b37f00b_2_690x276.png)
FBX import from Blender has "degenerate tangent bases" and is shaded incorrectly - Rendering - Epic Developer Community Forums
![UE4 Quick Tip #10: Fix Import Mesh Error "Degenerate Tangent, Incorrect Shading, Zero Bi-Normals" - YouTube UE4 Quick Tip #10: Fix Import Mesh Error "Degenerate Tangent, Incorrect Shading, Zero Bi-Normals" - YouTube](https://i.ytimg.com/vi/Vz8Ne5perio/maxresdefault.jpg)
UE4 Quick Tip #10: Fix Import Mesh Error "Degenerate Tangent, Incorrect Shading, Zero Bi-Normals" - YouTube
![How to fix Warning: degenerate tangent bases which will result in incorrect shading | Blender & UE5 - YouTube How to fix Warning: degenerate tangent bases which will result in incorrect shading | Blender & UE5 - YouTube](https://i.ytimg.com/vi/1ng6NvhpeO8/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ==&rs=AOn4CLBKmTX7ZuOtXKFYzWjcHoUoMEn34g)