A few nice cnc cutting service images I found:
Blackened steel stair with stainless treads
Image by Caliper Studio
Center stringer convenience stair connects two office floors in Starret Lehigh building. Stringer and slab edge assemblies are blackened. Twenty four stainless steel treads are welded to the stringer form a continuous ribbon. 1 1/4" diameter handrail posts are continuous bent "C" shapes that wrap around treds and are welded to stringer. Stair will be delivered to site in one piece [24′ long 3′ wide 3′ tall @ 2000lbs].
Design by Diller Scofidio + Renfro
Detailing, Fabrication and Installation by Caliper Studio. Caliper Studio engaged Eckersley O’Callaghan & partners for engineering services.
Blackened steel stair with stainless treads
Image by Caliper Studio
Center stringer convenience stair connects two office floors in Starret Lehigh building. Stringer and slab edge assemblies are blackened. Twenty four stainless steel treads are welded to the stringer form a continuous ribbon. 1 1/4" diameter handrail posts are continuous bent "C" shapes that wrap around treds and are welded to stringer. Stair will be delivered to site in one piece [24′ long 3′ wide 3′ tall @ 2000lbs].
Design by Diller Scofidio + Renfro
Detailing, Fabrication and Installation by Caliper Studio. Caliper Studio engaged Eckersley O’Callaghan & partners for engineering services.