Center to the view people actually see, not to the door itself. Since most interior doors stay open, balance the artwork within the wall space that is visible when the door is open. If furniture anchors the wall, center on the furniture instead. Keep the piece clear of the door's swing, ...
The rule of three is a visual design principle that says artwork often looks more balanced, natural, and appealing when it is displayed in groups of three. In wall decor, a three-piece arrangement usually feels more dynamic than two pieces because the eye moves through the grouping more easily, ...
