Because they lack regular LEGO studs on top, beams
are called studless, while bricks and plates are called studfull
(or studded) pieces. The same names—studless and studfull
are also applied to constructions that use mainly one type of
piece. For example, you can build a car with a studfull body
on a studless chassis. (Chapter 3 describes the differences
between studfull and studless pieces in detail; we’ll take only
a brief look here.)
Many studless pieces come in complex shapes that have
no counterpar