One viewer asked how to bend the wood for garden arches. The reality is that most walkway arches are not bent wood, but wood glued together and cut out to the curve. But you can bend wood.If you really want to bend thick pieces of wood, that is usually done by steaming it first. You could take a long piece of PVC pipe, close off one end and fill it with hot water to soak wood and get some bend out of it. Of course different wood bends differently, oak probably being one of the best for bending and retaining its strength.The first photo shows one way to bend wood to a curve. The use of a s...