This typical ladder, which turns left clockwise, can be applied as turning right, if necessary.
The diameter of this ideal staircase is 170 cm.
In this staircase example, the step thickness is made of 40mm thick wood;
A 140 mm diameter iron pipe was used in the central return. The iron pipe in the central return and the 22 mm diameter iron handrail used in the staircase are painted white.
