personalfactory:

Print to build, joint collection by ollé gellért

“One important feature of the design is that you do not have to screw or
glue the parts. It is possible to build furniture, installations,
partitions and anything else. It only depends on your creativity. With
these experimental objects I wanted to draw attention to the importance
of changing our thinking as to how to build something with 3D printers,”
Gellért explains.

See more on designboom: http://www.designboom.com/technology/olle-gellert-3d-printed-joints-07-29-2015/