i think this will help you to fix ur mesh https://gyazo.com/174ec2d9971d3f2e15346a1c19b4e8da.gif
oh ye also to open the menu press altn while in edit mode
This won’t work either because some of the normals are facing the right way, if he batch flipped like this then it would mess up the faces that are already correct
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I’m not the OP, by looking at the spoiler and lights in the back, you can see that not all of the faces are reversed
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oops my bad thought u were the op
I think you messed up the face orientation
Either the faces are inverted : https://www.youtube.com/watch?v=ui5kaAbLrso
or add a solidify modifier
Read above please
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Oh im usually working with cylinders and even when i flip the normals it still imports like this
but adding a solidify modifier works
Hence why you have to uncheck ‘Inside’ when the dialogue comes up following the action of recalculating the normals. Solidifying does work, but it’s extremely inefficient and isn’t a good habit to develop
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This seems to be a common problem with blender. Try 3ds max 
Roblox, when importing models, offers the option to reverse inward pointing mesh normals or something – does that work?
This issue exists with both Blender and 3DS Max—try not to recommend expensive software to younger developers who don’t have the resources or the direct need since blender is perfectly fine for roblox development
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I tried what you were talking about and unchecking the ‘Inside’ box but It didn’t work.
I never had this issue with 3DS Max, and it happens all the time with Blender.
3DS Max is free, and a much better and more capable tool.
3DS Max is neither free, nor “more capable” than blender pertaining to Roblox development. If by “free” you mean the educational license, you should be aware that it’s against autodesk’s terms to use for anything outside of personal projects, meaning it’s illegal to use for Roblox development unless your projects are never going public
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Were you in edit mode? Did you have all faces selected? Did you view the normal direction in Blender to even just confirm that they’re facing the right way before importing it into Roblox? Something isn’t being done properly
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Extremely inefficient? I’d beg to differ. Even if it doubles your polygon count… No car is paper.
This is actually correct, it’s just lacking faces on the top and the bottom
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It is much more capable. You’re wrong about the license as well. It is intended for educational uses, which Roblox is included in. Making a Roblox game is indeed very educational, depending on the user. For someone who’s learning to model, script, etc, it works great. If you make Roblox games for a living, you can’t use the educational license.
Software and cloud-based services subject to an Educational license may be used solely for purposes directly related to learning, training, research or development. The software and cloud-based services cannot be used for commercial, professional, or any other for-profit purposes.
Not a lawyer, but my person opinion is that you can earn money off your game and it can still be an educational project rather than a commercial one. Afaik, you can’t refuse to receive Premium payouts/
The inability to refuse premium payouts is exactly the reason why it’s illegal to use for Roblox development period. As long as you are making any robux off of your game, it’s in violation of autodesk’s terms; your personal definition of “educational purposes” has no bearing on whether or not you’re allowed to use the software for roblox development, and the fact that you’re making this argument leads me to believe that you are potentially in violation of this yourself.
You’re right—you’re not a lawyer, because if you were, you would know the delineation between personal and commercial projects. If you make even a cent, it’s a commercial project.
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