Instructions
- Tools: Circular saw, jigsaw, drill, various bits, phillips head adapter, hammer, paint brush, sewing machine.
- On each of the sheets of plywood, measure 9 inches down from the top and 12 inches from the side and make a pencil mark. This will mark the center of a 6 inch diameter hole to cut out of the plywood. Use a compass or whatever else you can find to scribe a circle on the plywood and then use a jigsaw to cut out the circle.
- Cut two of the three 2 x 4's into 4 foot lengths. Cut another one of the 2 x 4's into four 21" lengths. This will give you eight pieces of 2 x 4: 4 - 48 " pieces and 4 - 21" pieces.
- Use those pieces to build two 48" x 24" rectangles using two 10 penny nails at each corner (note the side view picture for orientation of the 2 x 4's.
- Attach one sheet of plywood to each 2 x 4 frame, using drywall screws. I used four across the top and four across the bottom evenly spaced. Down each side I put a screw about every 12 inches. Counter-sink the screws slightly so that the bags will not snag.
- Now it's time for the detachable legs. From the remaining 2 x 4, cut four pieces each 12 inches in length. Given my lack of a protractor, I cannot tell you the exact angle cut that is necessary on the top part of the leg. Reference the side view to determine how to cut this angle. The critical measurement is the resulting height of the high side of the platform. I used a box to lift the high side to the correct height and then held the leg up to the side, scribed a cut angle and then cut the leg.
- The legs will be attached to the main board using 4" carriage bolts. Here again, I used the box to lift the high side to the correct height and then I drilled though the leg and the side of the platform. Widening the holes in the legs will make putting the legs on a bit easier.
- Fasten the legs to the platform using pairs of carriage bolts + washers + wingnuts. Detachable legs makes for nicer storage.
- I used two coats of paint. Using the high gloss paint resulted in a surface that "slides" but is not so slippery that it allows the bags to slide back down the platform.
- To assemble the bags, take two of the 7" x 7" fabric squares and sew a quarter inch seam on three sides. Fill each bag with 2.25 cups of corn. Sew the last open side of the bag. Double stitch each bag on all four sides. The bags do take a beating.
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