Make yourself a cupola for your garage, shop, greenhouse, or any outbuilding. This was fairly simple to make and adds the the right touch to this small greenhouse. Build it any size you want. The louvered panels are aluminum and were purchased at any big box store. The weathervane on top was purchased on the Internet at a weathervane store. Poplar was used because it has a straight grain and it the best wood for absorbing paint. Use a fine finish saw blade and you'll eliminate a lot of sanding. A good countersink will keep those screws level with the surface so the parts fit together snuggly.