The Unofficial LEGO Builder's Guide

Bracing: Unseen but Not Forgotten

Bracing is the art of reinforcing your models, typically on the inside, to make them stronger and more stable. It can be as simple as adding a few long bricks to strengthen otherwise unsteady structures, or as involved as building columns and beams within a larger model to allow it to be handled, transported somewhere, or even just stand up without falling down.

Bracing = Beams + Columns

In Figure 2-19, you see some simple walls. They could be the outsides of an office building, the sides of a grandfather clock, or maybe the beginnings of a tall but slender air traffic control tower. You also see some other bricks (marked A and B) that seem to connect the other walls. This reinforcement, made up of a central column ...