The model is made for anti-aliasing, the stack is not folded.
Antialiasing modifier is enabled (viewport display - 0 iterations, render -1-2 iterations)

Poly: 246,036
Verts: 304 710

-max 2015 corona
-fbx (need to add MeshSmooth (1-2 iterations)
-obj (need to add MeshSmooth (1-2 iterations)
-mtl
-textures
-material library

For Corona render, it is recommended to install version not lower than 1.5, since the glossiness of materials is configured