Adobe After Effects CS3 Working with shape layers keyboard shortcuts keys

Shortcut                                                                                           Command
Cmnd+G	Group selected shapes
Cmnd+Shft+G	Ungroup selected shapes
Select Path property in Timeline panel and press Cmnd+T	Enter free-transform path editing mode
Page Up when dragging to create shape	Increase star inner roundness
Page Down when dragging to create shape	Decrease star inner roundness
Up Arrow when dragging to create shape	Increase number of points for star or polygon;increase roundness for rounded rectangle
Down Arrow when dragging to create shape	Decrease number of points for star or polygon;decrease roundness for rounded rectangle
Hold spacebar when dragging to create shape	Reposition shape during creation
Left Arrow when dragging to create shape	Set rounded rectangle roundness to 0 (sharpcorners); decrease polygon and star outer roundness
Right Arrow when dragging to create shape	Set rounded rectangle roundness to maximum;increase polygon and star outer roundness
Shft when dragging to create shape	Constrain rectangles to squares; constrainellipses to circles; constrain polygons and stars to zero rotation
Cmnd when dragging to create shape	Change outer radius of star