This half-scale model of a spiral staircase by American studio Matter Design is made from concrete treads that slip neatly over each other. Above and top: photograph by Brandon Clifford The Helix ...

This question can be basic and you may know the answer, but it's always good to remember some elementary calculations that help us to streamline the design process. Check the effective formula ...

If you ask Silo star Rebecca Ferguson how many stairs she walked up during production — well, it’s too many. “30,000 a day? I don’t know,” she laughs. “The team — the amount of stairs everyone’s ...

Learn how to draw a spiral staircase lobby in perfect perspective. Follow this step-by-step architectural sketching tutorial ...