SHIFT-Space: Toggle edit mode In Edit Mode click / drag: select and move quads/corner points SHIFT + drag: move selcted quad/corner point with 10x precision ALT + drag: rotate/scale selected quad Arrow keys: move selected quad/corner point SHIFT + Arrow keys: move selected quad/corner point by 10 pixels ALT + Arrow keys: rotate/scale selected quad 's': Solo/unsolo selected quad 'c': Toggle mouse cursor crosshairs 'r': Rotate selected layer 90 degrees clock-wise 'h': Flip selected layer horizontally 'v': Flip selected layer vertically 'b': Show/Hide projector bounds