Gaelic Box, with double hinged lid, held close by a latch that is a novel all-in-one "impossible" turning joint

Designed for Instructables 3-d printing contest, discussing ways to improve our 3d prints.

The front and top stl file is the Lid which is in 2 parts and hinged. I use large paperclips to make the hinge. Its a tight fit and the space between the hinge pins, as well as the through holes for the hinge pin, require careful cleanup, if the pin holes are too tight, heat up a bent paperclip with a cigarette lighter to help clean the holes. Note the Top lid is printed upside down to make a cleane