2da v2.0

       corner1     edge         corner2     height     model            
0      floor       ****         floor       0          zsf01_z07_01     
1      floor2      ****         floor2      0          zsf01_z06_01     
2      wall        ****         wall        0          zsf01_z05_01     
3      wall        ****         ****        0          zsf01_z05_01     
4      floor       ****         ****        0          zsf01_z07_01     
5      floor2      ****         ****        0          zsf01_z06_01     
6      wall        ****         floor       0          zsf01_z03_01     
7      wall        ****         floor2      0          zsf01_z04_01     
8      wall        corridor     wall        0          zsf01_z02_01     
9      wall        doorway      wall        0          zsf01_z08_01     
10     wall        ****         2x2         0          zsf01_z09_01