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Staircase diversity

Spiral

staircase

E
E
301
E
301
   
E
301
E
303
E
303
 
E
303
E
307
E
307
     
E
307
E
308
E
308
     
E
308
E
309
E
309
     
E
309
E
310
E
310
       
E
310
E
311
E
311
             
E
311
E
312
E
312
         
E
312

Staircase diversity
Foldet plate staircase
A
Foldet plate staircase
A
Foldet plate staircase
A
Curved staircase
B
Curved staircase
B
Curved staircase
B
Cantilever staircase
C
Cantilever staircase
C
Cantilever staircase
C
Plate staircase
D
Plate staircase
D
Plate staircase
D
Plate stringers
F
Plate stringers
F
Plate stringers
F
Tubular stringers
G
Tubular stringers
G
Tubular stringers
G