This printer was the impetus for developing the ExoSlides in the first place. It is a printer that is quick to build, is modular and easy to mount components to, and can scale to a large range of sizes.
The ExoSlide 20PC units are used for the XY motion (9x), while the ExoSlide 20S slides are used for the Z axis (4x). A number of Bracket 20 units are used (10x), mainly on the Z axis. The remaining motion system consists of a handful of laser cut aluminum belt brackets, and number of 3d printed brackets for the hotend and Z lead screws. A kit for the motion system (minus 3d printed parts) will be made available soon!
A four part blog series delves into further detail on the thinking behind the design choices.