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 Advanced AutoCAD Topics 
 3D drawing database
Mixing and using 2D and 3D CAD
3D coordinate systems
	Cartesian
	Cylindrical
	Spherical
	Right hand rule
3D Coordinate point filters
Defining and using world and user coordinate systems
	UCS
	UCSICON
	UCS follow
3D wire frame entities
	3DFACE
	3DMESH
	Cubic smoothing
	Quadratic smoothing
	B-spline smoothing
3D surface entities
	RULESURF
	TABSURF
	REVSURF
	EDGESURF
Defining and using multiple viewports 
Dynamic viewpoint
	front and back clipping planes
	parallel and perspective projections
3D polyline
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