A quick reversal in polarity brings the unit back the other way. With those 3D printed plastic wheels you may think that traction would be an issue but [Ryan] insists that it is not a problem.

When you want to build a large format 3D printer, you can’t just scale up ... around by seven high torque NEMA23 motors on a large gantry built from C-beam aluminum extrusions.

but Alquist was also able to purchase of a BOD2 modular 3D printer from Construction Of Buildings On Demand (COBOD). "The printer runs on a gantry system that is assembled onsite, preventing the ...

3D printing was first invented in the mid-1990s ... Design features include: Robotic Arm Design: Unlike larger gantry-based ...

3D printing. Standing less than 200 feet from School No.23 in Lviv, Ukraine, the walls of the 3,983-square-foot educational facility were printed in just 40 hours with a COBOD gantry printer, which ...

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 ...

The Creality Ender-3 V3 is an open-frame 3D printer, which means it has an exposed printing area that's ideal for basic printing. The alternative—closed-frame printers—offer fully enclosed chambers ...