"A3 poster titled 'Good Things Take Time'."A3 is a standard paper size that measures 11.69 x 16.53 inches. The poster titled "Good Things Take Time" could be a motivational or inspirational poster that encourages patience and perseverance toward achieving one's goals. The poster could feature an image or graphic design that complements the text. It could be a great addition to a workspace, bedroom, or any area where one can see it often and be inspired.