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 deposit ...

This will vary by state, city, or county, so be sure to examine your local building codes before you start putting together ...

A man named L.I. Yeomans came up with the idea of building concrete lathes to produce artillery shells for the war effort. Of course, the concrete lathe project is a bit more peaceful in its ...