Name: Wedding Cake
Dimension: 480 x 480 x 700 mm
Polys / Verts: 1208685/1342679
Render: Corona
Formats: 3dsmax 2013 corona fbx

All identical elements are copied through instance. Due to which the model is quite easy.
The archive also has an optimized model with fewer polygons = 389597.
The scene on the preview is made in 3ds max 2016 + corona render