Try this: function skewer(target:DisplayObject, _x:Float, _y:Float) { var mtx:Matrix = new Matrix(); mtx.b = _y * Math.PI/180; mtx.c = _x * Math.PI/180; mtx.concat(target.transform.matrix); target.transform.matrix = mtx; } The resulted bitmap is not skewed properly. Expected result: http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/geom/Matrix.html