DIY pipe shelf construction- this might be the perfect solution for a cheap, large storage/ desk space in my office. I would put a thin pipe in front of shelves to hold things in place. This would make a fabulous pantry - wall-to-wall, floor-to-ceiling!
DIY Black Iron Industrial Pipe Closet Rods for an industrial look in the closet using pipes (plumbing section in Lowes, pre-threaded, but they can cut and rethread for you), can use a T and another extender in the middle to better support heavy clothes
Organize Your Pantry: DIY Lazy Susan Pantry: This would be great for a small kitchen with limited storage space. --- I wonder if we could replace our standard pantry shelves with something like this. This would be better than pull out shelves.