Cut each of the pieces of plywood along one of the edges to form a V using a circular saw. The V should be at least 8 inches across at the top.
Measure halfway down the two adjacent edges and drill a 5/8-inch hole 2 inches in from the edge. The steel rods will pass through these holes.
Pass 1/2-inch-13 steel rods through the hole in the first piece of wood. You should have approximately 2 inches of rod extending from one side of the wood and the rest of the rod on the other.
Place a 1/2-inch lock washer onto the 2-inch end of the steel rod and then thread on a 1/2-inch-13 nut.
Place a lock washer and nut on the other side of the wooden piece to lock it into place on the steel rod.
Measure 3 inches along the steel rod and repeat the process with another piece of wood and two washers and nuts. Perform this step one more time. You will now have a stand that has three supports spaced 3 inches apart.
Measure 6 inches further along the steel rod and place another piece of wood with its locking washers and nuts.
Measure 3 inches further and place another support. Repeat with the final support forming the end.
Cut a 1/2-inch slot down the length of the PVC pipe using the circular saw. Each pass of the saw blade will cut a 1/8-inch slot. This will allow the pipe to slip over the 1/2-inch steel rod.
Cut four 3-inch lengths of PVC pipe and one 6-inch piece of PVC pipe. These PVC pieces will form guards against hitting the steel rods with the chainsaw.
Place a piece of PVC pipe over each section of exposed steel rod.