This is a set of 3D printable terrain for the tabletop wargame Warhammer 40K, based off the Necron race.
The STL files are all of these are now available from my Gumroad shop here:
https://gumroad.com/wulfsheademiniatures
The pyramids are modular, you can make them as large or small as you need. The layers also lift off so you can place models inside.
The Tomb Complex wall sections are also modular so you can use them in whatever layout you need.