This rack is made of PVC pipe and stainless steel welding rod. Holes that are a little tight are drilled in the pipe and the welding rod posts are hammered into the holes like nails. The glasses rest upside-down on the tips of the vertical posts.
The silverware has holes drilled into the handles so that I can hang them from hooks under the lowest row of glasses.
Step 1: Stainless Steel Posts
Step 2: Layout
The side pieces that separate the horizontal pipes are 7 inches long. In this case the top side pieces are heated and bent to make hooks that grab onto a piece of horizontal rebar. You probably won't have exposed pipes, or rebar to hang things from. If you make a rack, you will have to adapt the hanging system to your situation, mounting it with screws, etc.
Here, you can see the parts laid out. Standard PVC "T's" and "elbows" are used to join the pieces using transparent PVC cement. The transparent cement looks nicer than does the blue cement that is also available at hardware stores.
Step 3: Safety While Heating PVC
Vinyl Chloride, one of the components of PVC, is carcinogenic. When it is locked up in the polymer, however, it is much safer to be around. In my years of experience working with PVC, I have not noticed any adverse effects on my health from being around it.
Always work in areas with good ventilation. If you do get caught in a cloud of smoke, hold your breath and move to clean air.
When heating PVC with a gas stove or propane torch, try not to let it burn. Smoke from burning PVC is bad. With experience one burns it less and less. Don't panic the first time you do burn some. It scorches, but doesn't immediately burst into flame. Move the material away from the flame and try again. Don't breathe the smoke. Smoke avoidance comes naturally for most people.
While heating PVC over a gas flame, keep the plastic an appropriate distance from the flame to avoid scorching the surface before the inside can warm up. It takes time for heat to travel to the center of the material being heated.
Keep the plastic moving, and keep an eye on the state of the plastic. When heated, the PVC material is flexible, like leather. Beyond this stage, you risk scorching it.
A word from James, the plastic engineer -- "Just a word of warning, PVC can handle some high heats but if it catches fire, you wont be able to put it out, it does not need oxygen to burn so don't do this inside".
I do work inside, but my house is made of cement and has good ventilation. MAKE SURE THAT YOU HAVE GOOD VENTILATION. PLAY WITH FIRE -- CAREFULLY.
Step 4: Bending the PVC Hooks
Use a rag to protect your hands from the hot pipe when you bend it. After it is bent, just hold it until it cools and rigidifies again.
It is good to make the hook pipes a little long so that you can trim the straight ends to get the lengths even after the hooks are bent.