png') gray =. After every pass, loosen the knobs and move the fretboard about 1/4 inch and send it back through your sander. A re-fret job almost always necessitates fret leveling and re-crown. In this process, abrasive media are extruded across the workpiece surface to remove a small quantity of material, as indicated in Fig. So essentially, 2 and 3 are arbitrary, while 1 is the way it is to allow for radiusing the slope. All this adds up to 8,000 different consumables. HoughCircles (lap_blur, cv2. Also, set distance between circles to 55 by measuring dist in image. Radiusing is the creation of a radius on the edge of a work-piece. Deburring methods include polishing, brushing and tumbling, flexible polishing, and satin finishing, which produces a smooth directional finish. Self publishing . Ever wondered how to save some time radiusing a fretboard?Here's our answer. Area of circle is the number of square units inside the circle , can be calculated using the radius and diameter. Deburring & Finishing Wheels. In non-technical terms, a blob is understood as a thick liquid drop. A jig for radiusing a guitar fretboard comprising a slide frame, router cradle and radius guides. (the length of) a straight line joining the centre of a circle to its edge or the centre of a…. Radiussing; Surface Stress Relief; Polishing; Geometry Optimization; Deburring; If you are not sure whether abrasive flow machining in El Segundo CA is right for you, contact us to see how we can help. The slide system build in the machine, simplifies the change between different brushes. Seven rounding radii of R=0. Hi John, I designed and built an EUB a few years back (not in hardwoods though) and posted a thread share the story EUB design and build and some lessons learned. ATD TOOLS 1067923 at. com. I finally bought a QCTP last spring, so I've been making up some toolholders to give me the capabilities that I had with my old lantern-style tool holders. If you do not find the big block Chevy crankshaft you need, please contact us for assistance. Especially the discharge. Magnetic abrasive finishing 4. 6 has a higher moisture absorption rate at 9%. the length of this line, usually denoted by the symbol r. Two bearing wheels added on the side parts that sit and slide on the top of the radiused spares, which also suffered some changes. This. For galvanizing metal products, the edges need to be rounded to a radius of a minimum of 1 mm. The T Series includes the T250, T350 and T450 thermal deburring machines. An in progress build needs a 7 1/4" radius on the fingerboard. Details: Size of Brushes: 1000 Pxls Width Brushes Made By: ShiftyJ Number of Brushes: 19 PS Version: CS3 Rules: - You may use these brushes for Personal use, credit is appreciated. 3D, 0. The method is particularly adaptable to computerized flow network solvers that compute the compressible flow. In the above photo, this should be your end result. I have noticed several forum discussions about port radiussing but, having looked, I am unable to find any detailed information on it after a general search through the archive. No special tools required. Sand in the radius, then resew if the slots are not deep enough. Correct me if I'm wrong,. Save 17%. Antonyms for radiusing. just do the basic mods, like deburring and radiussing all drain back holes in the block and heads, get a good set of bottle brushes and clean out all oil galleries good (just make sure to put the oil galleries plugs back in the correct. 835. You can use this to put a perfectly clean 90 degree inside bend in steel bar or sheet of any width - use a cutting disc to slot down through the plate at the. In this article we will identify the shape of a circle using Open CV. 020 inch would increase this part’s impact strength to 20. The best time to plan for potential part cracking. In addition to preparing your component for the next stage whether that’s painting, plating, assembly or just handling, it ensures consistency and safety, creating a perfect uniform edge. P Tool: Create hidden, negative, tubular radiussing or other special bends; APL: For special bends of different lengths in-cycle by automatic adjustment of fractionated P tool; CLA/SIM: For tabs or partial bends by auxiliary tools with variable lengths on the blades, automatically set in-cycle. Brushes with slashed coated abrasives are mainly used in deburring and edge radiussing. Deburring • Radiussing • Chamfering • Edge Breaking • Dross Removal • Laser Oxide Removal • Flattening • Stress Relieving • Levelling • Calibrating • Grinding • Keying • Graining • Brushing • Gloss Polishing • Weld Dressing • Corner Weld Blending. This machine is designed to quickly grind plasma slag or laser dross and remove mill scale in a single pass. M. Get a quote today!Attached Files: Last edited: Just Jones. These polishing, edge radiusing, and surface finishing tools are available in three diameters: 100 mm (4 inches) 150 mm (6 inches) 200 mm (8 inches) As a rule, larger-diameter wheel brushes are less aggressive and more flexible. More blade contact = faster speeds and more stability; less blade contact = easier pivot, turns, and agility. Classical guitars typically have flat fretboards, because you do not really play as many chords in the traditional sense in that style. If you want values above, you’ve to add 15-25 cm to the height of the frames. I've seen a number of radius block jigs over the years, and this sort of design is one of the more successful types! There's a lot of convergent evolution in the basic design as you might expect, however these are very much fit for purpose. 2waydemo. . For example, a . 221. Experimental and numerical results of the flow through orifices in rotating disks are presented, with emphasis on basic physical phenomena. After about 5 passes, you have a radiused fretboard. In addition to preparing your component for the next stage whether that’s painting, plating,. At this bit height, only the edges of the fretboard will be cut. MADDOX. Edge Rounding. a straight line joining the centre of a circle or sphere to any point on the circumference or surface. Nano finishing processes 1. I read an article saying GM spent a lot of time fine tuning the strength and reliability of this tranny (given the model # 250T) to survive in the 25 ton Chaffee. Start small, and then gradually work your way bigger slowly. 5″ (or 241mm), with the next most common being 7. Mass finishing processes are commonly used for. When I started doing neck volutes I just sort of did my best between bandsaw, carving, and sanding to end up with what I had in mind. . The role of compounds in mass finishing is to keep parts and media clean. It’s a big sound, packed with sustain and a good range of harmonics, completely different to its OM counterpart, but not in a bad way. AFF is a consistent, accurate and repeatable. More blade contact = faster speeds and more stability; less blade contact = easier pivot, turns, and agility. The width of the beams (70mm) is ideal for single-handed use. . Each bit uses two four-sided replaceable carbide cutters. Timesavers_SpecSheet_Metal_2221-23-09; Timesavers_SpecSheet_Metal_2231-23-004; Timesavers_SpecSheet_Metal_2211-03-9 ; Specs. 24 cm) forward of front bodywork/fascia as viewed from above. Radiusing is the creation of a radius on the edge of a work-piece. 00If you enjoyed this video please LIKE and SUBSCRIBE to help my channel grow!- Thanks so much. Established in 1982, CONTOUR FINE TOOLING has grown to become the premier supplier of single crystal diamond tools around the world. There are a whole lot of variables in play here. What industries utilize abrasive flow machining? There are many different industries that utilize extrude honing and abrasive flow machining. We show how to use the tried and tru. Can also be used on aluminum. Save 8% Details. radius. 0) to B (50. Find My Store. Properly radiusing the cylidner window corners helps to reduce the risk of gearbox fracture by allowing the shock from the piston slamming forward get absorb. It therefore loses approximately half its stiffness when exposed to wet environments. Shop All MADDOX. 12, nylon 6. (area, range) raggio nm. WOOD Magazine's Bob Wilson shows you how you can make rounded corners of any radius time after time with a simple jig. model g0574. Lower the bit a little bit and make the next pass along the edges and then make subsequent passes moving toward the center of the fretboard. The red means that it's a breaking point. Is radiussing a fretboard really necessary? I've read somewhere that certain types of guitars don't have radiussed fretboards and I'm concerned that I will screw up my. 2 3/4" (70mm) width. Link to Stan's video for a more detailed setup:new method to compute the compressible flow discharge coefficient for a generalized orifice has been developed that accommodates the singular or combined effects of inlet corner radiusing, length, Reynolds number and compressibility. $16. 4. Tip #2: Rout like clockwork. This has a direct impact on the tool's life. 1D, 0. A slot and clamp on the front of the Fingerboard Jig receives the support arm. Body And Fender Set, 7 Piece. 4. you need to pocket the rectangle then select the edges that you want to fillet and apply the tool. Fax: (916) 388-0200. Hey world! A slight step in to the world of fractal brushes, with my new vector grunge brush pack, called Radiant Brushes. Radiusing a Fairlane is a bit more problematic. They also reduce loading and glazing. Parts with sharp edges can be radiused to pre-defined specifications with mass finishing equipment. | Meaning, pronunciation, translations and examples Hot off the press from G&W in Portugal is this compact solution to rough-radiusing fingerboards quickly using your router. <br /><br />My luthier interests are. I'm going to go through my m14 in a couple of days, stopped feeding during a game on sunday, will measure the nub thickness then. Rain Free Brushes licensed under creative commons, open source, and more!The Timesavers Compact 9 Series are economical machines, ideal for deburring, finishing, and edge breaking of small parts. It's not rocket science. You'll need to remove and rot, to stop it from spreading, then fill large holes and as a finisher, we'd recommend polyurethane varnish. LMI offered our radiused dishes in just these two radii for many, many years—so it’s a good, solid recommendation. The first vibratory finishing machine is tub-type, which was introduced in 1957. Classical Tuner Drill Jig. 005". . Get deals on automotive parts, truck parts and more. It's doubtful that this empty space would make any difference in the stiffness of the neck, or the resulting sound. This eliminates rework problems. The Blaze brushes, according to Norton, are ideal for both internal and external part finishing for applications in the aerospace, automotive, medical and other industries. com to discuss your project and obtain a quote. Bolting. 5" (520mm) length. Our dry metal 2000-series of finishing machines are built for heavier production. It was a challenge but a lot of fun. [Soul Shards] 3. For<br />. radius definition: 1. Deburring • Radiussing • Chamfering • Edge Breaking • Dross Removal • Laser Oxide Removal • Flattening • Stress Relieving • Levelling • Calibrating • Grinding • Keying •. Preparation of working area and service requirements. Bounded fingerboards are radiused after glueing the bindings. We would like to show you a description here but the site won’t allow us. Scra. The. Before visiting, it is important that you read this page: Radius definition: a straight line extending from the center of a circle or sphere to the circumference or surface. Some players find these a godsend but they do require some different methods to set them up and to perform fretwork on them. The Manually Operated AFM Set-Up is a simplified, efficient yet economical equipment which provides finish-machining, debarring, radiussing, polishing and grinding of intricate and otherwise difficult to reach surface profiles, internal bores and cavities in machine components in the handle driven forward stroke of the piston inside the. Anodized matte finish. -38 %. My former boss has a '65 he's put a full frame under with a full powertrain from a '03 cobra - complete with IRS -- he used minitubs and pretty extreme back spacing with custom wheels to get the cobra sized tires in the. The film cooling effectiveness, the heat transfer coefficient, net heat flux ratio and discharge coefficient. No. Cracks can render a part unusable. Wider fingerboards require only a little more attention, producing results as perfect as their narrower counterparts. +1 616 455 8940. 8Synonyms for radiusing in Free Thesaurus. Radius to the second power means that the radius needs to be. tool will return to 200 in X axis. In comparison to other radiusing beams available online, the G&W tool has a nice level of fit. Removal of large burrs, edge. Parts with sharp edges and burrs are difficult to handle and they can lead to injuries and machinery damage. Since its inception during 1950s, continuous research and advances in AFF. Kobelco likes this post. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Some of the services Contour can provide for you. Metal heat treating is a useful but extreme process for automobile, airplane and other parts that undertake a heavy load. Carbon fiber is extremely rugged and impervious to climate and weather conditions. This ensures that the sharpness of the edge is removed and it is given a. Radiusing is easy with a symmetrical wheel well. Canards are allowed and may extend a maximum of 6” (15. 482°. It allows the manufacture of functional components characterized by high complex geometries with engineering-grade metals. This base rests on two metal pipes and can slide both back and forth in addition to along the new. After every pass, loosen the knobs and move the fretboard about 1/4 inch and send it back through your sander. Re-Radiusing Fretboard w/ Inlays? Thinking about ordering a new guitar. If you're a detective working a crime investigation, you might be told to "search over a one-mile radius," meaning, scope out everything that's within one mile of the crime scene. <br />. Try to use as small of a file as possible. Link for the cut list:The easiest way to cut perfect rounded corners on a work piece is to use a radius template and router table. Polishing or processing wheels use different coverings depending on the delicacy of the item being deburred. Radiussing the fin root to remove condensate between fins in the unflooded portion ie, top portion of a finned tube reduced the heat transfer performance compared to a conventional rectangular shaped integral fin. One other thing that isn’t present in the. Designed for semi-automatic and fully automatic machinery, these versatile industrial brushes are easy to manipulate. to produce heat and/or light, or (of heat or light) to be…. A key combination of pale and dark wood offers everything you need in terms of color contrast and striking looks, but always be sure to prepare, treat and seal your beams properly. Steel media is made of hardened carbon and stainless steel and is used to deburr steel workpieces and for polishing of stainless steel. Last edited: Mar 23, 2011. Please contact me to get a shipping quote if outside the US. This allows the personnel to undertake field flares and receive practical instruction. The process is designed for deburring, polishing, radiussing, and other applications in areas that would be too hard to reach by hand. Instagram: @gmrupcyclingRe: Making room for more tire. Sales Engineer. Jun 19, 2010. The first couple guitars I built, I made for radiused fret bottoms, and it was a PITA. You can edit it out later on. Many translated example sentences containing "radiussing" – Portuguese-English dictionary and search engine for Portuguese translations. US 6,918,937 B2 1 ABRASIVE POLISHING COMPOSITION RELATED APPLICATIONS This application is a division of U. Carbide Corner-Rounding EndMills with Two Milling Ends. rmcomprandy December 4th 2022, 8:00 pm. Classical Tuner Drill Jig. The drag finisher M-TMD 4 is equipped with 4 multi spindle heads (work stations) with each head containing 3 spindles. If you are ready to move forward, give us a call today at (562) 531-2976 to learn more,. Fitting the makeup piece. The two radius guides (one for producing a 9. When one end wears out, switch to the opposite end for two times the life of a standard carbide end mill. This radius is dependent on the material thickness, the pressure of the press brake machine, and the width of the bending die’s lower die groove. Some people wanted to know about my way of putting a radius to the sides. Create a thin feature part. We show you how to use Rockler’s new Corner Radi. Notwithstanding, it is employed in many industries such as aerospace, automotive, biomedical, and defense; a great limitation for its diffusion is the obtainable surface. 250 from the center of the pin hole directly rearward but not above or below the pin whole. Just paste them to a piece of card (a cereal box works fine) and cut them out. 42 Series RB. rosler. Series 2100. Another part of radius and the overall "profile" is to change the factory pitch or lie of the blade. Expensive way - Use a machine to radius the neck The. (not sure if they do 6 string bass) Mar 17, 2011 #6. 3k Loveland Colorado; Interests: I have been a woodworker and luthier for over 35 years professionally and as a hobbyist. At the top of the Fingerboard Jig is a 2-1/2″ wide maple shelf to which the workpiece is attached with double-sided tape. It's a goodRadiusing a neck can be done in a number ways. The pivot points and tool position are adjustable, so it is capable of cutting either a concave or convex shape. Welding. But generally speaking, there are two major methods. The slide system build in the machine, simplifies the change between different brushes. baas [at]arku. In order for a PCBN insert to be fully functional, its type of edge radiusing processing is a factor that must be considered. This base rests on two metal pipes and can slide both back and forth in addition to along the new. We are committed to working with you to develop customized and productive solutions to your manufacturing challenges, from design through delivery. Edge Breaking. Surface finishing Edge radiussing Laser oxide removal Slag grinding Brushing and polishing Graining Collecting metal dust Products Contact us Quick and easy Fast. It's a simple jig that lets me have perfect results every time, with a shiny hand planed. With the fretboard side facing down, grip the neck by the peghead and heel and begin sanding the radius into the fretboard. 51 Save 35%. 92 $. Above, this is the cylinder at rest in the gearbox. 2. (line segment of circle) raggio nm. A radiussing bit on a router table took care of all the edges. Radius movement of tool. 7. The drag finisher M-TMD 4 is equipped with 4 multi spindle heads (work stations) with each head containing 3 spindles. On a 12" radius board, a straight bottomed slot is about 1/8" deeper in the middle. Two bearing wheels added on the side parts that sit and slide on the top of the radiused spares, which also suffered some changes. However, on a 7 1/4" radius board, that gap under the center gets up around 0. radius: [noun] a line segment extending from the center of a circle or sphere to the circumference or bounding surface. and environmentally-friendly surface finishing compounds. Price includes shipping delivered in the US only. FT MIGHTY MINI CORSAIR SPECS. 20. the part design fillet tool works on solids. Author. . [ ra´de-us] ( L. Address: 5800 88th St. The router cradle is designed to accommodate a range of routers. 220 radius for those frames. Radiussing: By providing a gentle, even, and continuous radiused edge, abrasive flow machining can enhance all kinds of parts, including aerospace parts like jet engine discs. info@walther-trowal. Expensive way - Use a machine to radius the neck The above is the Grizzly G0574 Guitar Fretboard Radiusing Sander. Add to Cart. Smaller-diameter brushes are less flexible and more aggressive. As you can see, before you even get the fret to a 16" radius, you would be down to the wood at the ends of the frets. 5D and 0. Position the bit height so it just grazes the edge of the fretboard. The discharge coefficient of an orifice is a function of both geometric and flow effects such as inlet corner radius, orifice length, inlet velocity orientation, and Reynolds number. Inscribed Circle Size: ISO Code No. Abrasive flow finishing (AFF) is a non-traditional advanced fine finishing process using an abrasive-laden viscoelastic polymer for finishing, polishing, deburring, radiusing of the component having a complex geometrical shape with inaccessible areas and difficult to machine materials. Also, it will give you the count. I rough in using a swinging jig where the router rides on parallel beams on top and the fretboard swings on a platform underneath it. 2 cm2) for each side. If you shape your own guitar necks or fretboards, the G0574 Radius Sander machine will ensure precision results. This increases the savings potential of mass finishing. Carbide Insert Designation Chart. The manufactures we choose to represent manufacture the highest quality product to ensure your ROI is maximized. com. The router base side plates are 7 1/2" radius. Muslin, canvas, felt and even leather are all used, but cotton fabric wheels are the most. (metric cutting edge length) by shape code letter of insertNatural Stone Tile 1/4-in x 2-1/4-in High-speed Steel Masonry Drill Bit for Hammer Drill. A slide 3 is pivoted to the support member 2 about an axis (11, Fig. Our machines are developed and built in Kuurne/ Kortrijk, Belgium. If you’re going to use the manufacturer’s recommended settings, you can check the measurements recommended for some of the most popular guitar styles in the table below. In the M-TMD 6 up to 18 work pieces can be processed at the same time. FREE delivery Thu, Nov 16 on $35 of items shipped by Amazon. Feed movement of tool to Z0. Drag finishing can often eliminate the hand operation, and do the finishing and radiusing operation after the machining operation. 25″ – the most prevalent option prior to the 1980s. In addition, Rösler produces plastic media<br />. Compared to nylon 6. OK, it’s time to get to the scary stuff. a rotary table - A handy fixture for radiussing the end of small parts, part circle machining, milling circular slots, or slots at an angle to each other "Lautard's Octopus" - A versatile and multi-purpose workholding fixture; a tilting angle plate - A useful milling machine accessory. Only one contour is detect : The ellipse is as : (please not that your image is circle so ellipse should be in circle shape) Share. 2. I had these cutters ground for $400 and the vacuum box was made in our shop. Edit 4: After more looking, and a quick side-by-side comparison of dy = 3,4,5; I revise my statement and believe the smoothing algorithm has some wonkiness with dy = 4. February 22, 2023. over 50 years, Rösler has produced high-quality ceramic media. A radiused edge may be desired if a part has a sharp edge. LightBurn is layo. Alternative brush types for deburring, de-oxidising, radiussing and/or random, swirl surface finishing; H: Hammer head for heavy slag removal; Rd: Rotary disc heads; Md: Multi-disc pad heads; Wet operation with built-in filtration and component dryer radiating definition: 1. A slide 3 is pivoted to the support member 2 about an axis (11, Fig. Sketch #1 is the correct way as far as I am aware. Not cheap, but very nice to have. Weight without battery: 5. Polishing or processing wheels use different coverings depending on the delicacy of the item being deburred. I worked on 48th street in NYC in the late 70's with the likes of Ken Parker the founder of Parker Guitars. 240°. Carbon fiber exhibits so many of the qualities useful in fine instrument construction — namely, low weight, stiffness, stability, resistance to. Try to use as small of a file as possible. . It does require the use of a different, high flow oil filter. For that we will use the cv2. The G0574 is the G1140 Edge Sander with the G0577 Radiusing Attachment included to produce the Guitar Fretboard Radiusing Sander. Magnetic abrasive finishing process can economically. info Txt STOP to End texts. Do the pencil thing and then hit it with 220 grit. Now for the last few years, we have also offered a 12. If you want to fillet the sketch you need to use the tool that I suggested. You can see on the left picture, how the cylinder edges aren't radiused, there's lots of orange, and even a little red. I use the beam to 1) draw the curve on the braces, 2) shape/sand the curved side of the braces, 3) glue the braces down against, and 4) sand the rim before and after lining is installed. 6147 Valduga Dr SW, STE A. ) 1. Deburring • Radiussing • Chamfering • Edge Breaking • Dross Removal • Laser Oxide Removal • Flattening • Stress Relieving • Levelling • Calibrating • Grinding • Keying • Graining • Brushing • Gloss Polishing • Weld Dressing • Corner Weld Blending. Lamello biscuits join the shelves to shelf supports, and Domino loose tenons take care of major joinery. Timesavers offers perfection in edge rounding with a radius of up to two mm in a single pass. If so, Extrude Hone AFM is the company to contact. See the image below. This machine is designed to quickly grind plasma slag or laser dross and remove mill scale in a single pass. Muslin, canvas, felt and even leather are all used, but cotton fabric wheels are the most. com. Make Rounded Corners With Your Router. Tube radiusing tool any ideas. But generally speaking, there are two major methods. Please contact me to get a shipping quote if outside the US. Usually at least an hour, sometimes more with dense woods such as ebony. 5" neck radius and the other for 12") are interchangeable on the jig. Phone: Midwest Office: 847-313-9688 I Northeast Office: 914-953-2379figure 1. Typically measured in inches, the most popular fretboard radius used today is 9. 00 - $20,000. Although it certainly can be done without our tooling, we find that doing the best job possible, as consistently as we wanted to be able do it. Edge radiussing is an important part of the manufacturing process. fr. . This specification is ideal for the processing of heavily-drossed flame or plasma cut parts up. uk. you need to pocket the rectangle then select the edges that you want to fillet and apply the tool. Just a few things you might mention for small sine Sine chart for getting angle, set part on to bump rail, clamped in place, a strip of double back to hold, using screw hole for end stop, stand as angle plate with a bar, set for top tool face , set to side cutting angle or to following side, compound angle set, set at 45* or 30* for part edge bevel…In this photo, I have a small file in place to show you the position and area you actually want to file. 200". Hop Up Chamber (8mm) - QSC. Re: angle oil filter adapter. circles = cv2. ago. Metalworkers use edge rounding to break the edge of processed components, allowing for optimal coating coverage and corrosion protection. I worked on 48th street in NYC in the late 70's with the likes of Ken Parker the founder of Parker Guitars. Forward/ Defenseman. I usually order pre-slotted, radiused fingerboard from LMII. It worked, but it had some limitations. 1. Radiusing a neck can be done in a number ways. MusicNomad and Geoff Luttrell team up to show you how to use a radius gauge to measure your fretboard and string radius height and then easily adjust your st. of firing pin). MATERIAL, BEND RADII AND MINIMUM BEND SIZE CHARTS. Once you are in this command you will see the editing handles around the board outline. 125 in. We know the ins and outs of abrasive flow machining and can meet the tolerances within your specifications. Edge rounding (also known as edge radiusing) is the process of removing the vertical burrs, nibble marks, or scallops on the holes and edges of a deburred metal part. The formula is {eq}Area = radius^2*pi {/eq}. Timesavers/ Ellesco Light Alloy aluminium and clad material deburring and radiussingIn stock, suitable for deburring of laser slag and punch burrs, edge breaking and radiussing all directions and hole size, and graining of sheet and components: 1100 mm working. But are slotted before adding the bindings. Every item must exactly start at the endpoint from the last item1 Answer. Even with non-compound radius necks, when you re-fret a neck, it has high spots and low spots. a the process of developing awareness in a person or group of a situation regarded as wrong or unjust, with the aim of producing active participation in changing it. com. . Contour Diamond Tools. Owing to the difficulty of reaching and radiussing the corners of the Road Star manifold, the Road Star Clinic found it necessary to invest in special tooling to address this process efficiently. (Consumables are not covered by the warranty. . At 300lbs/cuft. MottolaThe result of over twenty years of research to identify, catalog, and assess acoustic guitar construction techniques, Building the Steel String Acoustic Guitar is the most comprehensive source of steel-string guitar construction information available. Outline should consist of: combined single items (lines + arcs) forming a closed outline-shape.