Constructing a concrete staircase involves pouring concrete into custom molds or forms to create the desired shape and size for each step. On average, prices are between $200 and $300 per step.

We really don't blame you. The stairs on the side of this building look like something out of a recurring nightmare, and we honestly don't understand how anything like this could ever be built.

We didn’t notice [Nikita]’s post about building a concrete 3D printer, a few months ago, but the idea seems sound: build a basic CNC XY axis and then add a mortar pump and hose to depos… ...