Skin over gaps in complex surface

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 From:  americo (BGSU)
3618.1 
I can't seem to get a skin over the pick-up routs, control holes or tenon slot on the attached guitar cap.
The skin needs to match the existing contours on the cap.

I'm trying to end up with what is show in the attached jpg.

This is for a project on a CNC router.

Any ideas?

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 From:  DannyT (DANTAS)
3618.2 In reply to 3618.1 
Hi americo and welcome to the forum,

Not exactly sure what you mean, so lets start with the attached picture, does this show part of what you're after ?




-
~Danny~
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 From:  Michael Gibson
3618.3 In reply to 3618.1 
Hi americo, I'm not sure I 100% understand, but to start with you probably want to extract the "underlying surface" for the upper surface which you can do by selecting that face:



Then run Edit > Separate to break that face off from the other ones so it is independent.

Then select one of that surface's edges, then do Ctrl+A which will select all of its edges and then hit the Delete key to remove the trim curves and recover the full underlying surface there, that will look like this:



So that now gives you a broad surface to work with as the base.


Then you may want to try and model the bowed out part as a separate surface, and cut some open area between that part and this surface and put in a blend, something similar to this technique:










I hope this gives you some ideas!

- Michael

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 From:  OSTexo
3618.4 
Hello,

Something like this? (Sorry for the wrong picture)

EDITED: 16 Jun 2010 by OSTEXO

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 From:  Michael T. (MICTU_UTCIM)
3618.5 
Americo, am I correct in thinking you want to remove all of the inner cutouts to have the entire body milled to match the contours, and then as a secondary op, cut out/machine the pickup, control holes etc.? If this is the case, delete the faces on the interior of the pickup and thru hole areas, then their edges. That will remove those voids. The neck area and related geometry will be more complicated, as this will need to be closed up to do the aforementioned technique.

I don't know if I am close here to what you want, but if it makes sense, let me know and I can try to be more detailed.

Good luck,

Michael T.
Michael Tuttle a.k.a. mictu http://www.coroflot.com/fish317537
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 From:  americo (BGSU)
3618.6 In reply to 3618.4 
OSTexo,

I think that's it but it's hard to see that the contoured "patches" match the existing contours when I see it as a jpeg.

Which of the suggestions from the post (or other) did you use?
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 From:  americo (BGSU)
3618.7 In reply to 3618.5 
Michael,

You are correct.
I want to be able to machine the cap blank with all the contours, then have the option of machining out various bridge/pickup combinations.
If the neck/tenon area is filled in to match the contours of the cap I can determine later whether to make it a set-neck, bolt-on or thru-neck.

Thanks,
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