[ger21]

Nice job on the modeling.

[turmite]

Red Baron I am in the process of doing a modified Les Paul and am having a friend help with the modeling. I can do fair in the cad area but I still need a lot of work in the 3d. I noticed you modeled your neck pocket in and was curious if you would share what angle the neck is set at. I am using Stew/Mac drawings but they leave a lot to be desired in the dimensions area. They did include the neck angle of 85.5 degrees from vertical where the neck meets the body. Any help in this area would be appreciated.

As soon as I can get the model finalized, well when my friend does I will post it. It is a slightly scaled down LP with a double
cut-away. I am goin to do this first one for my niece as a carbon fiber/wood composite with a carbon fiber/wood laminate neck.

Let's all keep posting here and make a freally good forum out of this.

Mike

[redbaron]

The neck angle is actually 90 degrees straight. Since my guitar is not really an 'Arch top', no neck angle is needed. It is much like a strat with heavily sculpted front. The bridge will mount parrallel to the neck. I still may create a little angle so that the bridge doesn't have to be cranked to high.

[ddgman2001]

Redbaron, that's incredibly well done! I've messed with Rhino over the years and never gotten anything close to that.

Could you outline the steps a bit?

In return, I can offer you some advice for fixturing and positioning your part. I've CNC machined a lot of bodies. Mostly production line style, but some one-off customs too.

One strategy would be to start with a rectangular body blank. Lay down some MDF for a fixture board. Double stick tape the blank to the MDF, do all the routing on the top. On the edges, rout down to + 1/4" - 1/2" from the bottom round over. If you place a couple of index holes in the corners, you'll have something to reference to when you flip it over.

Because the blank is still attached to the body, the outside edges of the blank will hold the body level while you rout the back.

If your back is fairly flat, machine it first and then do the top.

[slpd]

gerry

do you know how to exctrude a body so it is 48 depth at one end and 45 at the other??????

[ger21]

Extrude the whole thing to 48 and use the SLICE command to cut the angle off the top. Did you get the email I sent back to you?

[slpd]

yeah I recieved it thanks

[slpd]

anyone know how to exctrude a body so it is 48 depth at one end and 45 at the other in rhino
as I need to export my file to a different format?????

[slpd]

I am trying to route a neck pocket in a guitar at 3 degrees using Rhino. I am having problems, Rhino states 'BOOLEAN OPERATIONS FAILED' when I am trying to use the difference to cut the neck socket from the body - (I have managed to cut out the pickups). Any help or info would be appreciated.

[ger21]

Try moving the objects a small amount (.001) before the boolean. This will help sometimes.

[njtermite]

Also make sure that both directions for the surface are correct. Or that will cause problems as well. Analyze>direction

Cheers,
Mark

[slpd]

ger21 and njtermite

I have tried both your ideas. Unfortunately, neither have wored.


I created this using Autocad originally, the outer body shape was created from 3 polylines converted to a single sp line and a single line across the top where the neck pocket is.

I merged the sp line and the line after I extruded them to 48mm.

The pink rectangular lines make the shape which I am trying to cut from the body. I also rotated this object after extrusion 3.5 degrees to the outer edge of the body.

I thought I would give you the details. I would be grateful if you could tell me where I am going wrong!

I will send you the file

[ger21]

Are you importing the objects from AutoCAD and trying to boolean them in Rhino. If so, I doubt you'll get that to work.

[slpd]

Ger21 and Njtermite

Thanks guys for the info.

I have worked out what I need to do - this is:-
Insert/import an Autocad dwg file - then draw around this with an spline in Rhino to create the body outline. After the creation of the spline for the body, I used 'fit tolerance' in Rhino - but this does not seem to be as good as using the same technique in Autocad. Can you recommend anything to make this more accurate????????????

When doing this, I have a problem in so much as I need to create a fillet at the edge of the body near the neck - is there a way of merging the guitar body and an arc or circle extruded to the same size. If so, please let me know.

I have taken a temporary measure for the time being - this is to move the control points in this area into an arc of appropriate size - but, obviously I would prefer to make this more accurate.

[slpd]

HI GUYS

Have sorted out the outline of the guitar body (I think)! I extruded an unclosed spline and a polyline together in Rhino. This seemed to create a solid object which could be subtracted/difference to create the neck socket.

My next task is to create a carved top for my LP style guitar. Have you guys any ideas for creating a carved top??? The top consists of a 3degree angle at the neck socket, 2degree plane for the pickups and the thickness is 3/4 inch.

Any help or ideas would be greatly appreciated.

[turmite]

slpd After having the polyline of the outside of my body, I then drew the top profile in both directions. I used the patch command. Once I got to this point I hit a wall and could not get what I needed. I posted the file on the Rhino forums and a fellow from the Netherlands quickly showed me how to finish it. I needed more "helper" curves for the top's profile for the patch to work properly. One thing that made me feel better though, he said I had chosen the right tool in patch to accomplish my goals. I just recently had a pc crash and lost my screen saver in the deal. I will try to download it again today and post you a jpg of my top.

Mike

[ddgman2001]

When you say "drew the top profile in both directions" what did you mean by that? I'm having trouble visualizing.

[turmite]

Sorry about that. I still don't have the screen shot downloaded yet or I would show you. Basically you have to use three different views in Rhino to do this, well you don't have to but if you are beginning it is easier. Top view would be the outline of the body. Front view, which is either right or left side the way I have my Rhino set up, which would be like looking at the guitar profile from the side and that would one profile. Then you use the right view which will be looking at the guitar one of the ends of the body depending how you have the views set in Rhino. I will try to dwonload the s/c now and post in a few minutes.

Mike

[turmite]

Well just goes to show you had better not say you will do something! We had a thunderstorm that lasted for about ???? and I had no internet access for several hrs.

Here is at least one of the jpgs. I hope to do all three. This is the side profile.

Mike

[turmite]

End profile