What is Construction 3D Printing?

Construction 3D printing refers to various technologies that use 3D printing as the method to fabricate entire buildings or parts of buildings. There are a variety of 3D printing methods used at construction scale, with the main ones being extrusion (concrete/cement, wax, foam, polymers) and powder bonding (polymer bond, reactive bond, sintering). 3D Printing advantages include faster construction, lower labor costs, increased complexity and/or accuracy, greater integration of function, and less waste produced.