GSNOT

angle-studtilt-90 offset-studshift-10 partcount-total-2 size-8p-2s-1b

Brick 1 x 2 Hinge Brick 1 x 2 Locking with 1 Finger Vertical End and 2 Fingers Vertical End Hinge Brick 1 x 2 Locking with 2 Fingers Horizontal End

The Unofficial LEGO Advanced Building Techniques Guide

Didier Enjary ( 2007-02-11, brickshelf.com )

What makes a building technique to be advanced? There is no easy answer, advanced is just the way we, adults, feel some building techniques because they do not appeared, at least do not appeared widely, in the officials LEGO® building instructions.