It is wrapped into a nice bubble enclosure:
Short project description:
David tells us how he designed his rPrint 3D printer, the printer for pirates!Very detail video worth watching f you are deep into 3d printeting mechanics and electronics:
A university project he has been working on for the last 9 months.
Everything is custom, including the world's lightest weight direct drive extruder head, Sarrus linkage build plate, linear rail guides, and his awesome bubble enclosure.
Not to mention his own custom controller, gcode interpreter, and highly optimised C++ string libraries.
EEVBlog forum thread about this printer:
http://www.eevblog.com/forum/blog/eevblog-843-david's-rprint-3d-printer/
More written details:
http://www.3ders.org//articles/20160128-davids-unique-rprint-3d-printer-stands-out-in-both-function-and-form.html