Some of Shortcut Keys in 3D Drawing in Auto-CAD:

To Perform	Command	Shortcut
Command line 3D solid options	3D	3D
Draw a cube	BOX	BOX
Draw a cylinder	CYLINDER	CYLINDER
Opens UCS dialogue	DDUCS	DDUCS
Opens UCS dialogue at orthographic tab	DDUCSP	DDUCSP
Extrude a face	EXTRUDE	EXT
Intersect an object	INTERSECT	IN
Revolves an object about an axis	REVOLVE	REV
Open render dialogue box	RENDER	RR
Section	SECTION	SE
Slice a solid	SLICE	SL
Subtract selection from solid	SUBTRACT	SU
Draw torus shape	TORUS	TOR
Displays UCS manager dialogue box	DDUCS	UC
UCS Command line options	UCS	UCS
Union solids	UNION	UNI
Opens viewport dialogue box	VPORTS	VPORTS
Draw a wedge	WEDGE	WE