You'll only need two 1x12-foot boards and an 11 1/4-inch diameter dowel rod. However, the beauty of DIY is the flexibility to tailor it to your needs and tastes. For example, if slotted shelves ...

Next, twist the hooks into your dowel rod or plunger handle. Finally, affix the shelf to the brackets, and slot the rod or handle into place along the bottom loops of the brackets. Some creative ...