Issue with blender

When I export my blender work as an OBJ file, and then upload it into a mesh on Roblox studio it isn’t the same. (Also I saw a lot of people have the same issue before but I can’t remember what I have to do myself so this can get annoying as it’s a repetitive topic.

Ok so this is the simple model I made:

And when I upload it onto studio, this is what happens:

It basically becomes inverted. Does anyone know how to fix this please?

I don’t know about this but, maybe export it as FBX file?

Right I will give it a go.
Thanks for taking your time.

I just tried, and no it unfortunately doesn’t work.

This is a common problem users encounter when importing .obj files into studio when the direction of the model’s normals isn’t paid attention to—some of the faces are inverted, and you have to press Ctrl+Shift+N with all faces selected in edit mode and make sure that the new dialogue that pops up in the bottom left of the viewport has ‘Inside’ unchecked:

faces

You can visualize the direction the normals are facing by selecting this in the top right of your viewport; blue means it’s facing outward (correct), and red means it’s facing inward (bad in your case)

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Anyway I could fix this? What exactly do I have to do.

If automatically recalculating the normals doesn’t fix it, you can always select the red faces, press alt+N, and then ‘Flip’ to do it manually

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Also, did you have all faces selected when recalculating the normals? The screenshot you sent doesn’t have any selected faces in it

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You have an error in your face orientation. To fix this you need to recalculate your normals.

Steps:

  1. select all your faces or certain faces you want to fix, usually all to ensure a proper fix.
  2. Click on “Mesh” near the top of your screen.
    image
  3. Hover over “Normals”
  4. Click “Recalculate Outside”

That should work.

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Thank you all so much, it helped and now it works. Thanks for your time and effort!

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