A very nice model of one big and two small glass pyramids together connected with a glass hallway, with two entrances with doors as seperate objects, the doors can be closed and opened as seen in one of the renders.
the mesh is completely watertight, so the geometry is very clean. materials applied for the glass and the framework.

originally modelled in blender and the renders are made with blender´s render engine cycles.
skydome not included.

the FBX and OBJ formats have been tested in 3D max 2012 as seen in the last screenshot. so no problems with importing.

if you like to see some variation modelled of this one then please leave a comment with your rating.