That’s not the only use of the technique though, and perhaps one of the simplest is to use a 3D-printed mould for casting concrete. It’s what [ArtByAdrock] is doing in their latest video ...
Cementitious 3D construction printing (3DCP) or 3D concrete printing is a form of additive manufacturing that can fabricate custom objects from small components such as architectural furniture ...
While in the article [Rajiv] keeps gravitating towards the need to use less concrete (because of the climate) and make homes more affordable through 3D printing, AM is not necessarily the panacea ...