Concrete old stairs Low-poly 3D model

The model is decpicting a stairs made by 5 unique steps (repeated then), 2 unique edges, and a base terrain. The model comes optimized for games, in particular for Unity (there is already a Unity package with LOD). Textures maps composing the PBR materials are in 4096x4096, and are two main types, old concrete and ground, with a total of 3 and 2 variations each. Follows the list of features and details:

Terrain LOD0 Verts 53K Faces 60K Tris 107KTerrain LOD1 Verts 26K Faces 41K Tris 52KTerrain LOD2 Verts 10K Faces 19K Tris 21KTerrain LOD3 Verts 1.6K Faces 3.1K Tris 3.2K

Step_1 LOD0 Verts 11K Faces 13K Tris 22KStep_1 LOD1 Verts 3.5K Faces 6.5K Tris 7KStep_1 LOD2 Verts 1.1K Faces 2.1K Tris 2.2KStep_1 LOD3 Verts 343 Faces 668 Tris 681

Step_2 LOD0 Verts 8K Faces 10K Tris 17KStep_2 LOD1 Verts 5.6K Faces 10K Tris 11KStep_2 LOD2 Verts 1.7K Faces 3.3K Tris 3.4KStep_2 LOD3 Verts 402 Faces 762 Tris 800

Step_3 LOD0 Verts 7K Faces 8K Tris 14KStep_3 LOD1 Verts 3.6K Faces 7K Tris 7.3KStep_3 LOD2 Verts 1.3K Faces 2.4K Tris 2.6KStep_3 LOD3 Verts 338 Faces 644 Tris 672

Step_4 LOD0 Verts 5K Faces 10K Tris 10KStep_4 LOD1 Verts 3.5K Faces 7.1K Tris 7.1KStep_4 LOD2 Verts 1.5K Faces 3.1K Tris 3.1KStep_4 LOD3 Verts 397 Faces 790 Tris 790

Step_5 LOD0 Verts 10K Faces 21K Tris 21KStep_5 LOD1 Verts 5.7K Faces 11.4K Tris 11.4KStep_5 LOD2 Verts 2.3K Faces 4.6K Tris 4.6KStep_5 LOD3 Verts 415 Faces 826 Tris 826

Edge_1 LOD0 Verts 7K Faces 13K Tris 15KEdge_1 LOD1 Verts 5K Faces 8.7K Tris 10.1KEdge_1 LOD2 Verts 1.9K Faces 3.6K Tris 3.9KEdge_1 LOD3 Verts 282 Faces 553 Tris 558

Edge_2 LOD0 Verts 5K Faces 11K Tris 11KEdge_2 LOD1 Verts 3.4K Faces 6.9K Tris 6.9KEdge_2 LOD2 Verts 1.6K Faces 3.3K Tris 3.3KEdge_2 LOD3 Verts 325 Faces 642 Tris 642