Not looking at the shape because that is hard to shoot (or interesting) but more the bamboo look Garden Shower- pinning this on Products I Love with irony. Invaded by bamboo - need to find crafts to use those long sturdy stalks.
Wilson Solar Grill Stores the Sun’s Energy for Nighttime Fuel-Free Grilling: New technology, developed by MIT Professor Dave Wilson, harnesses the sun's energy and stores it to cook food even at night.
Something to look into: Solar Food Dryer. Offers more than 10 square feet of drying area and a 6 pound capacity per load. Designed and manufactured here in Oregon by Eben Fodor, expert food dryer and author of The Solar Food Dryer.