Hold down SPACE BAR while dragging out the selection/shape to reposition. Release space bar to return to resize mode.
We’ve all had trouble accurately dragging out a selection box, especially when using an ellipse or rounded rectangle box. Well, maybe not all of us, but I definitely have. I find this especially useful when I need to make a fairly accurate circular selection.
Found this tip useful? Find out how to draw/resize a shape or selection from the centre.