Download sample CAD dwg drawing for a spiral steel staircase

Download sample of CAD dwg drawing toward a spiral steel staircase that contains a cantilevered tread step. Stairs which contain modular tread steps can be circulated and/or carried on-site to tally the heights of the floor heights perfectly. The sample cad drawing consists of center support column and connections.

The example of tread step finish is provided with a wooden plank that contains thickness of 40mm or can be modified in relation to architectural design.

The drawing is available in CAD .dwg file, CAD .dxf file, PDF format.