Helicoidal staircase with central stringer
(metal frame and wooden steps)
STA 201 Schmidt Escaliers

• 

  Half-turn staircase with a lateral stringers
  (wooden frame and steps)
  ART 612
  
• 

  Half-turn floating staircase
  BBT 236
  

Circular staircases

• 

  Circular staircase with lateral stringers (metal frame and wooden steps)
  STA MAT 230
  
• 

  Circular floating staircase
  GRA T317
  
• 

  Circular staircase with lateral stringers (wooden frame and steps)
  ART 605
  
• 

  Circular staircase with lateral stringers (wooden frame and steps)
  ART 606
  
• 

  Circular staircase with central stringers (metal frame and wooden steps)
  STA 204
  
• 

  Helicoidal staircase with central stringer
  (metal frame and wooden steps)
  STA 202
  
• 

  Helicoidal staircase with lateral stringers (wooden frame and steps)
  ART 613
  
• 

  Helicoidal staircase with central stringer
  (metal frame and glass steps)
  STA 203
  
• 

  Circular marble floating staircase
  GRA T304
  
• 

  Circular marble floating staircase
  GRA T306
  
• 

  Circular marble floating staircase
  GRA T307
  

• 

  Spiral staircase
  (metal frame and wooden steps)
  SPT 103