Mesh importing issue

Help and Feedback Art Design Support
#1

  1. What do you want to achieve? I want to import my mesh

  2. What is the issue? My mesh is weird in roblox
    Original

    image|6 image|262x436 24x500
    image|6 image|262x436 24x500791×633 59.7 KB

    Roblox
    image

  3. What solutions have you tried so far? I tried applying all transform