Until then, there have always been people who have released schematics for an open-source 3D printer that you can make yourself. Such is the case of the Lemontron, a cool project that lets you ...

It allows you to create a virtual version of your project ... 3D objects. By contrast, Cura is a free 3D "slicer" program ...

Given the potential of cost savings, time, and creativity that 3D concrete printing might provide, there will likely be plans for many more projects like these and others around the country.