Filleting my strat
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 From:  Michael Gibson
4300.4 In reply to 4300.1 
> 2. I Knew I was going to get something like this using
> the technique I did, but is there an easy way to blend the
> small radius into the large radius?

Well, I guess you might have wanted something called a "variable radius fillet" in that case which is a type of fillet that has a radius that gradually changes from one particular radius to another radius value as the fillet travels along. MoI does not have that kind of filleting set up in it yet.

So you will probably want to create a similar kind of surface manually, something like this:

Start by selecting these faces here (there's also a little planar shelf like piece in there as well):



And then just hit Delete to remove them, leaving an empty hole there. Now you have some space to work with to fill in by constructing a surface that has the kind of transition that you want. You could draw in some guide rails and do a sweep, but actually the easiest is probably to use the Blend command. Select these 2 edges here:



And then run Construct > Blend - that will build a surface that connects smoothly between them, making this result:



Now the problem is the surrounding surfaces are not the right shape to match up with this new piece, so those have to be reconstructed as well.

Select these 2 adjacent faces now:



And delete those too, leaving a big hole above the blend and on the bottom:



These are both planar holes so they are easy to fill in though - to fill them in select the blend and the main guitar body and use the Edit > Join command to glue them together to be connected.

After you do that, you have 2 planar holes you want to fill in which the Construct > Planar command can do for you - just select the object and run Construct > Planar and it will create planar faces and join them in to make the guitar a solid again.

Let me know if you get stuck on any of these steps.

- Michael

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 From:  Michael Gibson
4300.5 In reply to 4300.1 
Hi Jeff,

> 3. This was strange. After I glued back the trimmed and
> filleted piece it didn't fit right. I thought the original curve
> attached to the straight part at this point and they were
> flush originally, but now it looks like the main part bulged out.

Sorry, I'm having difficulty understanding this part - which is the bulged out piece? Can you circle it or something?

- Michael
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 From:  Jeff (USD5000000)
4300.6 In reply to 4300.5 
Hello Michael,

FYI, I think I'm in your backyard. I just arrived in Redmond. Anyway on to filleting...

I'm always posting these when I'm 3/4 asleep so I may not be completely coherent.

The first image here shows how I need to fillet the top of the back of the body. I think I may change to squaring off the top and fillet edge by edge. Since the fillet engine can't change radii I was thinking of using a sweep or loft to do the areas that transition from 7/16" to 1/8".



The bulging comment was referring to the circled section. This used to be flush before I cut, filleted and glued back together. Now it looks like the main piece grew.



Good night.

Jeff

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 From:  Michael Gibson
4300.7 In reply to 4300.6 
Hi Jeff,

> Since the fillet engine can't change radii I was thinking of
> using a sweep or loft to do the areas that transition from
> 7/16" to 1/8".

Yes, you'd need to do something along those lines to build a surface for that part.


> The bulging comment was referring to the circled section. This
> used to be flush before I cut, filleted and glued back together.
> Now it looks like the main piece grew.

Hmmm, yeah it looks like something was a little misaligned there, making that little shelf area.

It's hard to tell exactly what went wrong just looking at the final result here - if you possibly have some of the previous stages of the model that had the pieces you were cutting and gluing together, that would be where to look to see if some piece was not quite exactly aligned with some other piece being cut, making a little shelf like that.

It is possible to do some low level repair on things to fix problems like this, there is a tutorial on that kind of object repair techniques available here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=446.17

- Michael
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