Popular Woodworking 2007-04 № 161, страница 23
A thin piece of scrap, a nail and a drill are all it takes to make this simple compass jig. from the nail, and stick a pencil point through it. Voila - a compass jig. You can use that same jig for the bottom arched cutout. Simply drill another hole 31/8" away from your nail. Set the nail as close to the center of the bottom edge as possible and mark the cutout arch. Or, mark the arch with a traditional compass. Now use your jigsaw to cut as close to the lines as possible, and use a rasp and sandpaper to clean up the cuts. If you keep the pieces SHAKER SHELVES DIMENSIONS (INCHES) MATERIAL T W L □ 2 Sides 3/4 11V4 38 Oak □ 3 Shelves 3/4 11V4 26V2 Oak □ 2 Supports 3/4 3V2 313/8 Oak You can pull a cup out of a board by clamping the piece to a straightedge and pulling it tight with clamps before screwing it down. clamped together during this process, you should end up with nearly identical arches. If you're not confident in your jigsaw skills, practice making curved cuts on some scrap pieces before moving on to the real thing. Now cut the shelves to length. Set up your pocket-hole jig for 3/4"-thick material. Mark the placement for three pocket holes on each end of each shelf, two of them 3/4" from each long edge, and one in the center of the end. Drill the holes. (For more pocket-hole instruction, see the December 2006 project or the PDF manual.) Cut the back supports to length, and sand all pieces to #150-grit before assembly (#120 if you're planning to paint). Now you're ready for assembly, and the second trick we promised. Lay one side flat on your bench and mark the location of the top shelf at either side. You may not be able to line up the shelf with your marks because of cupping in the wide board; that's where the trick comes in. Position the back support (or any straight piece of scrap) along the bowed side of the shelf, if there is one, and use clamps to bring the edges of the shelf flat to the support or straight scrap. Slide the clamped unit to the layout lines, hold or clamp it in place then use screws to attach. This trick will work to pull the bow from any of the shelves. Attach all three shelves to both sides, straightening the pieces where necessary. Now lay the assembly face down, line up the support with the top of your top shelf. Make sure your drill is at a 90° angle to the most narrow stock through which you're drilling - in this case, the 3/4" edge of the side beneath the support. Drill countersunk holes at the top shelf, at the bottom shelf, and at the inside edge where the support meets the m iddle shelf. Be sure to hold your drill at 90° to the sides; because you're drilling into 3/4" stock, you could easily drill through the side if you're not careful. Attach the uprights with #8 x 11/4" screws (rubbing the threads on some wax will help them seat more easily). Pay particular attention at the top and bottom as the stock can easily split. If it does crack, stop your drill immediately - but don't panic. Just back the screw out a tiny bit, and the split will close up. Finish the shelves with two coats of wiping varnish. PW ABOUT THIS COLUMN Our "I Can Do That" column features projects that can be completed by any woodworker with a modest (but decent) kit of tools in less than two days of shop time, and using raw materials that are available at any home center. We offer a free online manual in PDF format that explains all the tools and shows you how to perform the basic operations in a step-by-step format. You'll learn to rip with a jigsaw, crosscut with a miter saw and JCan drill straight with the I -p^ help of our manual. ^iJJO To download the free I hcjt" manual, visit ICanDo-ThatExtras.com. popularwoodworking.com I 37 |
