Spiral stairs (102276)

Spiral stairs 3d model

Version: 3Ds MAX 2014.
Units: Millimeters
Dimension: 2000 x 2000 x 4100
Polygons: 5 357
Vertices: 6 270

Export.FBX(2009) .OBJ .3DS
Model no Texture. and
Model with textures Corona render 2.0; 
Textures are packed and signed.
The grid is tetrahedral.
The scene is clean.
There is UVW.