When you want to build a large format 3D printer, you can’t just scale up the design of a desktop machine. In an excellent four-part build series (videos after the break), [Dr. D-Flo] takes us ...

[Jim] over at Grass Roots Engineering wrote in to share a large 3D print he just finished ... is the biggest single part printed with a DIY 3D printer. The printer itself is based on the RepRap ...