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  1. "The body is a convenient place to hang the electrics and strap buttons but, functionally, it doesn't actually need to do much else" The body shape largely affects that balance and positions the guitar. My design aims to get it further away from my body and more to the left. As for the router person, she offered to do the CNC toolpaths, too, then decided that that's all she'd do, then quit. MakerNexus shop teacher, Jeannie Llewellyn, decided to take the project on, came to my house to gather details, hit on me, ignored me, wrote up a plan to do the prototype and CNC for the project using foam and basswood, made excuses, ignored me for weeks, tried to invite herself over again and, failing that, she sent a cryptic text:— At that point, my confidence in her was lower. She later followed up to text me at 1:45 AM that "the retainer ran out". The next day, I text replied asking what that meant. She read the text and ignored it. I issued Venmo a request for refund. She then rushed to send out some 3D image that does not match what is spec'd, and of course, reneged on the deal.
  2. I like the triangle soundhole. I like the curved back. How thick is your neck through? looks like 3cm in that photo. Where are the strap buttons? @Andyjr1515 The objective is lightweight, ergonomic guitar. Weight can be decreased by chambering and holes (like monkey grips, etc). Chambering with holes creates sound holes — holes that emit sound (bonus). The design is to be flat along a spine, from fretboard to bridge contoured, arched back along the sides, and with a deep with a deep forearm contour, . Arching the lower side puts the controls further out of the way of my right hand, when strumming. Because I tend to anchor my fingers, a lower height on the lower side should make it easier to maintain a nice break in the wrist when picking. This should help me pick faster with palm muting while I anchor my fingers. Although anchoring is considered "wrong", a lot of guys do it, and especially guys who play with downward pick slanting, including Zakk Wylde, Michael Angelo Batio (who is left handed), Yngwie Malmsteen, and John Petrucci. I practiced for almost a year not anchoring and eventually went back to anchoring. Contouring the upper side reduces mass. A deep forearm contour makes room for my forearms and also helps me get that favorable break in the wrist. NOTICE: The Solidworks Designer Cut her hand and has not been very responsive. I may need to hire someone else. Contact me if interested.
  3. WOW! Thanks, everyone for the awesome responses! I wanted to reply earlier but there is so much to think about and respond to. @Bizman62 comment about the neck pitch changed my perspective. I realized that neck pitch will affect the forward tilt. More on this in the video below. The removable back plate would fit snug and be attached with tiny magnets. The purposes are 1) to provide fast access to the bridge and controls, and 2) to cover the chamber. I also considered 1/4 turn release latch with spring release latches, as in the drawing. Turn the knob, pull opposing latches, and open. Problems: Harder to construct than magnets, might break. Benefit: won't accidentally pop off and should be easy to remove by hand. @curtisaIf I put any sound hole port(s) on the front, they will be set further away from the pickups to avoid feedback. Still undecided on this, but it would look cool, would reduce weight, and would provide a sound port for unamplified playing. The bowl shape will be about what you've depicted in your blue crescents. @Drak The point of the rear back plate is fast access to the bridge and all components, including the output jack. Here is a video about neck pitch: Thank you ,everyone!
  4. I have been designing a guitar for the past 12 months and I now have questions about Construction Design and Soundholes. The goal is to make a guitar that is more ergonomic for me to play. It will be thick, very heavily contoured, and lighter by use of massive rear chambering. It will be more left-shifted by having a longer rear bout. It will be neck-through with ~4 cm thick top woods. I thought to make a rear chamber with a carbon fiber backplate to cover it all. Total solid thickness, excluding chambered-out areas, of top and back woods would be ~2.5cm (1"). Distance from face of guitar to back of horn: 7.5cm This will leave a massive chambering less than 5 cm deep (due to curvature). The neck thru will be 4 cm thick (not the full 7.5mm thickness (too heavy). The neck thru will be sandwiched between the top wood and back wood. The top wood will cover the neck thru. the back wood will cover the neck thru. The back wood will be notched to fit the neck through. There will be one large carbon fiber back plate to cover the rear chamber. Will this work? What's good about it? What's bad about it? What should I watch out for? How will sound ports on the face of the body, through the top woods, affect the tone? Where should I consider placing them? Thank you. Video describing it: Side view sketch:
  5. How can I move this thread to the CNC forum? I still haven’t found anyone local to Mountain View, CA.
  6. I'm developing a prototype for a neck-through electric guitar.I want to find someone to develop the G-code and then to use the CNC mill shop. Who can help with that? (I've attached an incorrect 2D model and a video explaining what I'm looking for.) 1. Develop 3D model 2. Generate CNC code 3. run the CNC mill 4. Glue neck and wings together, 5. Reiterate if it's way off (step 1) 6. modify result by hand I have a guy for step 1 & 2; do the 3D modeling, calculate the center of mass, and generate the CAD files.He's in a foreign country and there is a bit of a trust issue with this random dude from Facebook, so I'm open to working with someone local on that, too.I’ve attached the 2d draft and a 2 minute video explaining the differences between the 2-D draft and what the prototype should look like. I need a local CNC router and operator to build a prototype in Mountain View, CA. The prototype will be just unplayable and have no strings or anything on it — just wood shape. For the 3D model, I found a guy online who can do the graphical model, and calculate center of mass, in software, and generate CNC codes. The 3D dude is in one of those South American countries like Venezuela or something. It seems a bit sketchy to send him $600 up front, but he did actually listen to what I was looking for and sent me something kind of similar based on that. So if I pay this dude for his 3D model, I'll need someone locally to run the CNC code. I tried local maker shop "Maker Nexus" but couldn't find help there. Tried the Shapeoko beginners Facebook group, too. Nobody there, either. GS-Custom.pdf
  7. I'm looking for someone who can do 3-d modeling for a custom guitar for me.
  8. How do you use carbon fiber and wood in your builds? Maple and mahogany, Alder body, maple neck, rosewood or ebony fingerboard – these are classic wood combinations. Maple can be too heavy and bright for a body wood, but works well as a top wood. Nowadays, people are getting fancy with pale moon ebony, bloodwood, and carbon fiber. How do you use carbon fiber and wood in your builds? How would you use it on a body? How have you used carbon fiber with wood in a guitar body? How would like you use maple, mahogany, one other wood, and carbon in a two or three layer body. You can use two to five woods for your construction. Explain your reasons. Thank you!
  9. Really appreciate the feedback. I don't know shit about wiring, so I'd leave that up to the pros. I imagine it's possible to have the Piezos wired to the middle switch and then have a blend knob to blend them in. For weight, the p90 might add 1/2 lb — about 8% of the weight. Balance is important, so less weight matters and less weight on the face of the guitar especially matters because of the guitar shape and strap button placement. If I can get a substitutable tone from a split between the bridge and neck, that would save at least some weight in a place I want to avoid extra weight. As for string pull, I don't know. I heard pickups add string pull but I don't know about it.
  10. Yes, piezo in the middle with a split, and a blend knob to blend in piezo. Bridge Bridge split + piezo (blended) Neck I could add a Gold Foil P90 in the middle. That'd give more tonal variety for low gain crunchy rock. But it comes at a cost of an extra pickup, more weight, string pull, and wiring. In that case, it'd be Bridge Bridge split + p90 + piezo (blended) Neck So it sounds like what I want would be best achieved with an an audio taper pot.
  11. I'm trying to decide a few things for electronics and need some guidance. I'm building a neck through guitar with a maple top, ebony board for everything rock, from The Beatles, to Van Halen, Scorpions, Ozzy, Metallica, AC/DC, Pink Floyd, etc. What are some considerations for electronics for that? Thinking: Volume knob, 500k Linear taper pot Three way selector: Bridge (Series), Split (Parallel), Neck (Series) HH How do you make the volume easy to ride? Passive pups with the volume knob are loud until almost all the way down, at which point they get quiet really fast. This makes it hard to ride the volume knob because to get a very backed off sound requires controlling the knob to somewhere very specific between about 1.5-2.5. Anywhere above that and it's too loud, anywhere below and it's nearly silent. What about having volume knob turn down all the way physically to have that sweet spot of "2" and then use a killswitch or "soft stop" in the knob to shut it off all the way. Or is there any type of "volume cut" switch, not killswitch, to cut the volume by half, at which point it might be easier to ride the knob? Tone for this music should be bright and loud. Should I go Bareknuckle, DiMarzio, or something else? On HSH, I use three settings: Bridge (for riffs/leads), bridge+ middle (for clean tones), neck (for leads). Piezo for clean tones in the split position are desired. How can that work that in the configuration. But 3 way selector is better than 5-way and I'd rather have two pickups if I can get the right sound. Two Pups are lighter and pulls on the strings less compared to 3 pups. This is really like three questions: 1) What volume config is good for riding? 2) How can the sound be loud & bright? 3) Can the pups be set for 3 way selector, for HH config, with piezos for the middle position?
  12. What is Tang width? (Obviously this is not referring to the Kool=aid man.) Can the lower frets be wider, but be tapered down to transition to tall, narrow frets 17-14? Can the last 4 frets be tapered down even more narrowly? I hardly get up past fret 19. Very narrow frets there should help playability and intonation and since I hardly make it up that high, I don't have as much worry for fret wear there. I play my guitars very hard with lots of vibrato and I practice a lot, so I need a hard fretwire. Should I go for EVO? SS? Or a blend? Thank you.
  13. Who wants to build the prototype BBBJ?
  14. First off, I need to get the basic shape down. The BBJ probably will work, so I need to try one. Shorter is perhaps OK for your shoulders, Norm, but that does not work for me for reasons stated. Again, that right-shifts the guitar and that's the opposite of what I want. I want the guitar left-shifted. The way to make that happen is with a longer body shape. Different body types fit things differently… Automobile manufacturer and clothing designers don't get this either… They design clothes and cars I can't fit into. No jeans fit me and with my broad shoulders, few coats that aren't designed for obese men will, either. In the most obnoxious cases, I hear things like "Oh, you can fit in the car, just lean the seat way back." Guitar builders will say these general-purpose best practices, too; things like "a strap button on a long horn is best because it gives the guitar more stability" without considering that that right-shifts the guitar and pulls it too close to the player's torso. Some players have a more prominent breastplate abdomen, with set-back shoulders and for those players, it can work. I have the opposite. The counterweight for a headless guitar idea is getting ahead and seems unnecessary. Rather, chambering the guitar and choosing a lighter tone block will lighten it and that will be better.
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