Mesh texture different looking in roblox studio

[manybloxxer]

the mesh texture is odd looking like it dont fit. why? i new to 3d modelling.

i uploaded mesh and texture seperatley.

[manybloxxer]

here some more image

(i try uploaded as fbx file instead of obj file )

[manybloxxer]

uv map i am add 0.2 margin and see if beteter

[manybloxxer]

still weird texture