I made this out of mostly stuff laying around my shed. multipurpose - i plan to also put some wire shelves on it with interchangeable tongue piece to go peddle shopping when on camping trips.. Place the 10-feet-long 5-inch-diameter pvc pipe in the center of the trailer's axle. move the 10-feet-long 5-inch-diameter pvc pipe to where the axle is 2 feet from the end of the pvc pipe. mark two spots centered over the axle that are 2 inches apart from each other on the pvc pipe.. Used 1