Steps:

1. Select everything.
2. File ‣ Import/Export ‣ FBX (.fbx)
3. Turn on Selected Objects.
4. Export FBX
5. Upload character to Mixamo.

Expected:

• Smooth surface
• Uniform color

Results:

• Areas around the mouse and neck are misshapen.
• Head is grey. Body is white.

I'm worried that this might become a larger issue when I start to rig and animate this. How can this be fixed?