Here is an autocad dwg file for the plan which is the top view of a chair . It has a backrest that can be tilted back, and often a footrest that may be extended by means of a lever on the side of the chair.
3d Table and Chair
Various type of chairs des
3d Office Table cad drawin
Sectional details of furni
Furniture units of table d
3D view of a chair (3)
Traditional table sectiona
Class Chairs cad blocks in
House metal chair
Office table elevation, se
2d Table And Chair Blocks
Large rack 3d drawing in f