One of the great CAD advantages is the ability of reusing information. A component, or block, is a set of entities belonging to one or more layers, that are grouped together and that can be used as a single element. Examples are nuts, bolts, bearings, mechanical parts, and so on. When inserting components, besides position, scales (even different in X and Y directions) and rotation may be modified. Components can include variable text information, called attributes.
Topics covered in this chapter:
MAKEBLOCK command (alias