Since 2017, Constructions-3D is a french machine manufacturer of 3D concrete printers for large scale applications. We work in the Citadelle des Savoir-Faire in Bruay-sur-l'Escaut in the hauts-de-France. Our team develop several machines : The MaxiPrinter, The MiniPrinter PRO, the MiniPrinter EDU and the Constructimeter. The MaxiPrinter is a concrete 3D printer of worksite. She can print in situ automated structural assemblies for making buildings. (including a container, a pumping system, a software and a demo training) The MiniPrinter PRO is a concrete 3D printer for education, research and industry. She can make furnitures, structural elements… The MiniPrinter EDU is a concrete 3D printer for education and research. She can make moreover furnitures, structural elements. The Constructimeter is a tool to get automated reliable measurements and check the quality of the mix based on material strength increase over time measured. Constructions-3D make his technical mortar, the C3D mix, adapted for concrete 3d print. Our machines softwares are developed and controlled with our developer team. Materials are tested and validated to our engineers team. The demo training is achieved to our team coming from a machine acquisition or a request. More informations on our website www.constructions-3d.com. Constructions-3D est une entreprise française qui conçoit depuis 2017 des machines qui réalisent des structures en impression 3D béton. Nous sommes situé à la Citadelle des Savoir-Faire à Bruay-sur-l'Escaut dans les hauts-de-France. Notre équipe développe plusieurs machines : La MaxiPrinter, la MiniPrinter PRO, la MiniPrinter EDU et le Constructimètre.