Yoni Alter’s Perpetual Calendar is pretty simple. It lasts forever, allowing you to simply rearrange the dates, days, and months periodically… and it’s just simply beautiful to look at. Natural ash plywood and wooden dowels make up the base for the calendar, while individual brightly colored plastic cards with cutouts hang themselves on the dowels. What you see through the cutouts are the cards behind them, getting this overwhelming collage of color, while text is usually ext