Diy Wood Steamer Pvc . The wires will elevate the wood in the box so the steam can get to all sides of it. Two 1 inch diameter holes, one at each end of the pipe. Building the "PocketShip" Pocket Cruiser Steambending Second Stringer from danacolepocketshipbuild.blogspot.com The straps are attached to the form with 3. 1/4 dowel rods support your work inside the tube and let the steam surround the wood. Long, and a waterproof glue, such as titebond iii, to assemble the box.