Why Do you need to buy this 3D model ?
I modeled these basement entrances to be use in any exterior scene, game, render composition. It comes with an excelent topoligy with many ways of use in other projects and in the doc files such Blender and Unity it comes with materials.
And the objects have proper pivot points locations to make it easy and precise to put in any place.
What is included?
Resume everything, you are going to buy It's a model that can be use and reused and It will fits in anything that you make it without trouble and saving thousands of time.
More Details
I hope you enjoy and for any problems, wishs or questions just contact me in the comments.