It takes only a handful of tools you already have and a bit of elbow grease. Bevels cut with the 875 Scarffer attachment can be more accurate than hand-cut joints, especially if you have little experience making scarfs by hand. Take the longer piece and slide that into place. If I'm looking for someth We cannot warranty decanted products because they may be diluted, contaminated, or not actually WEST SYSTEM products. Next, take your middle piece of the base, line up the hanging holes [seen by left hand in picture], and place it over the base. Categorized: Woodworking, Your email address will not be published. Get To Know Never Before Shared Secrets Tips & Tricks By Experts And Veteran Craftsmen, Sign up below to get access to your FREE EBook. Put the two pieces back together so that the joint line is about halfway up the headstock. This will allow the side panels to fit back into the base. Theme designed by Papathemes. After many much testing, Gitty finally got the solution to every cigar box guitar builder's problem: a simple miter box to cut perfect scarf joints by hand. …, After the enormous success of our "Hard Times Make Great Music" instrument contest, we decided we're …, C. B. Gitty Crafter Supply Then place the second panel with its edge matching the bevel line of the first panel, and the third panel with its edge matching the bevel line of the second panel, and so on. In many boatbuilding situations, we recommend a ratio of 8-to-1 to determine the size of the bevel. Save my name, email, and website in this browser for the next time I comment. With a little gentle, touch-up sanding, you can glue and clamp the perfect scarf joint, cut by hand. Using a power plane or belt sander can save a lot of time in roughing the scarf bevel down close to its intended dimension, but without this luxury use a smoothing plane with a sharp, deep-set blade to remove a majority of the stock as quickly as possible. With a little gentle, touch-up sanding, you can glue and clamp the perfect scarf joint, cut by hand. As you can see, using only a screwdriver you can assemble this kit in about 15 minutes. Hearing the frustrations voiced by builders who don't have the tools and resources to effectively cut accurate scarf joints, Ben "Gitty" Baker got to work. Looking for a more traditional look for your cigar box guitar headstock? Line up the hanging hole on the smaller piece and slide that into place on the base. You can choose whether to use the depth stop. If you have any unevenness on the scarf joint be sure to sand the surface with a hard and flat sanding block. Any humps or unevenness in the bevel usually show up as a crooked line when you sight down the glue line between the laminations. Once the top screws are inserted, pull the side panels out of the base. Making a scarf joint by hand, the basic tools require a block plane and a smoothing plane. Was the cut frustrating and did the result require a lot of sanding to make the joint glue-ready? Begin by laying out your parts and verifying your kit came with all of the required components. Again, make sure the slots point towards the hanging hole and match the slots in the outer side panels. Now insert the bottom row of screws making sure to get the screw-head at least flush, or slightly countersunk beneath the plywood surface. And you will see that you have a perfect scarf joint cut. The plane will lose its fine cutting edge quickly when you plane plywood due to the adhesive between plies. The Scarffer is a unique tool designed by boatbuilders for cutting accurate scarf joints in plywood up to 3/8″ thick. So say goodbye to awkward, frustrating cuts and say hello to consistent, attractive, and reliable scarf joints. Although there are several different kinds of scarf joints, we advocate using the simplest and most reliable approach, fabricating identical bevels at the ends of the pieces of plywood to be joined. As an Amazon associate we earn affiliate commissions from qualifying purchases. Now take the top panel with the countersinking circles facing upward and fit it onto the tabs on the side panels. …, Electrifying your cigar box guitar or other homemade instrument build can be a very rewarding experi Here you're going to learn how to assemble our scarf joint miter box kit. It attaches easily to most circular saws and is easily removed. Now take your top plates and prepare to insert them onto the base. You should end up with this cutting gap-notch lined up with the bottom-end of the saw slot. For instance, assume that you want to plane bevels on four 1⁄4″ panels all at once. However, as currently inserted, only three of the holes along the top of each panel are visible. Easy to assemble and use for perfect scarf joints. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of, Inc. or its affiliates. …, Every once in a while, a certain guitar will stop you in your tracks. You should be able to feel when the saw has gone all the way through the neck. Put the two pieces back together so that the joint line is about halfway up the headstock. …, Our customers are the coolest people we know and we always read your letters. Win prizes from, Building the "One Way Ticket" Steamer Trunk Guitar - A Photo Diary, The Humo Barnwood Guitar by Michael Copado: A detailed builder's diary, Hum and Buzz - Some Tips for Effective Electrification, Build a Piccolo Cigar Box Guitar - Half scale gives mandolin tones, VIDEO: "They're like driving a Masarati!" Begin inserting your screws through all the holes in the base plate. Be careful to get these screw-heads flush or slightly countersunk beneath the surface of the wood so the miter box will sit flat when used. Undo the clamp holding the neck in the miter box. Your scarf joint miter box is now complete. These panels will be outermost when inserted into the base plate. As you can see, using only a screwdriver you can assemble this kit in about 15 minutes. These miter boxes are made for necks exactly 1.5 inches wide. The technique of cutting dovetails by hand has been used by carpenters for thousands of years in furniture and joinery as a way to join the front and sides of the object. If the fit is a little too snug, use some sandpaper to thin down the end-pegs so that the depth stop fits snug, but not too tight to get back out. The human mind recogni The 875 Scarffer circular saw attachment is ideal for working with plywood up to 1/4″ (6 mm) thick, and with minor hand finishing may be used on panels up to 1/2″ (12 mm) thick. Clamp the whole stack to the table and plane one continuous bevel over all of the panel ends.—Excerpted from Joining Plywood by Don Gutzmer, Epoxyworks 46, Call our Technical Staff toll-free: 866-937-8797 (Weekdays 9:00 AM to 5:00 PM EST), Outside of the U.S.A., call 1-989-684-7286. Estimating Epoxy Coverage for Fabric Application, Fiberglass Boat Repair & Maintenance (pdf), Common Mistakes in Fiberglass Repair (Webinar), The Gougeon Brothers On Boat Construction book, Health Effects from Overexposure to Epoxy, Call from outside the U.S.A. 1-989-684-7286. The countersinking circles will be facing outward when mounted into the base with the angled slot pointing towards the hanging hole.