Popcorn Lego Interfaces

Links popcorn joints to the Lego universe
(It had to happen one day)

Not quite what you wanted? Feel free to tweak these designs.
The tinkercad source files are published here: https://tinkercad.com/tags/popcorn

Update you might find this interesting
http://3dprint.com/1383/lego-awarded-3d-printing-patents-may-allow-users-to-print-own-bricks/