[Kaskel Arching 2.3dm (226 KB) - Rhino 7 Evaluation (31 Days Remaining) - Perspective 11_12_2022 10_10_43 AM] I am working on a 3d model that I can machine on my CNC. I am constantly referring to Sky Greenawalt’s “Primary Surfacing” videos and luckily it makes more sense every time I re watch the…

Progress! A mandolin neck and a guitar top. [MesroF.3dm (1 MB) - Rhino 7 Evaluation (16 Days Remaining) 11_26_2022 10_13_34 PM] [VCarve Pro 11.501 - {Carl Mesrobian} - New 11_21_2022 2_27_07 PM]

Hi Pascal, Would you mind explaining the work flow you used, especially in the cutaway areas, or marking the subsurfaces on your pic? And which surfacing commands to avoid? I tried patch, but it got messy. I was thinking of creating small surfaces and joining them. I feel like the less control poin…

Hi Carl - on that version I made the main body an oversized and then trimmed back surface: [image] Then worked out the cuts and transitions there separately - the cuts had to be ‘semi crisp’ and not swoopy like the rest. Doing that bit again, I think I’d arrange it more like so [image] -Pasca…

That’s great - it’s making more sense now… Did you layout the “horseshoe” shape at highest z, then layout a profile at z=0, and then connect the 2 with degree 4 curves going along the “horseshoe”, or do a sweep2 ? This is helpful :slight_smile:

just to mention, that subd does a lovely job of this type of surface- [Rhino 7 Windows - SubD guitar full build] [image] SubD guitar neck SubD Hi all, We have quite a few customers using rhino for building custom guitars. From hobbyists, all the way to big na…

Here is what I’m trying to model for posting to my CNC, mostly to do the neck carving, and to carve the top and back plate inside and outside arching. A lot of stuff can be 2 1/2D, which is duck soup in this case [GNDB2575] [IMG_2051] Kyle - I just figured out the rest of your reply - awesome. I…

here is a subd file I built for a demo a while ago- feel free to pick apart, use, etc… I am not a guitar guy, so this may be wildly inaccurate. [image] guitar_demo.3dm (1.2 MB)

An inherent drawback to SubD modeling of surfaces with sharp edges is on display in Kyle/s guitar. Curvature goes to zero normal to sharp edges. This is unfortunately inherent in (the McNeel implementation) of SubD modeling. For many purposes it may be okay, but it can be obvious. [image] [image…

Kyle - Thank you! I will check it out. I’m old school (trained when the Dead Sea was sick) and have been trying to approach it as follows: [C__Users_cmgui_Documents_CAD_Guitar Design_Tops_Guitar Top Surfacing Methods V2.3dm (346 KB) - Rhino 7 Commercial 1_19_2023 2_37_19 PM] Just finding the com…

Primary surfacing (NURBS) questions (archtop guitar top)

Rhino

theoutside (Kyle Houchens) January 19, 2023, 8:11pm 22

the corner is creased, you can simply remove that crease and the curvature returns, or leave it, convert to nurbs and fillet…

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Primary surfacing (NURBS) questions (archtop guitar top)

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