In drawing input, the corbel column cannot be drawn directly, but it must be processed in the parameter diagram of single component input: single component input-component management-others-adding components-filling in component name and quantity-confirming-parameter input-selecting atlas-corbel column-both sides.

corbel column: both corbel and sparrow are the key points of carving and painting decoration in ancient Han architecture. The corbel is an overhanging structure. For example, when building a house at home, the short cantilever beam added under the balcony to support the overhanging balcony is the corbel. In the factory building, the outrigger on the column for shelving the crane beam is the bracket. Cow legs have a variety of patterns, and most of them are full of good meanings of their owners.