exporting 2d
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 From:  paul (PBELGRADO)
918.5 In reply to 918.4 
Petr ,

Thanks for the reply .
I will try your suggestions .
I already did export in stl by giving the drawing a certain thickness but I wasn't able to take the thickness off in the programs I tried .(blender, turbocad etc )
Sheetcam reads only 2d files .(I use dxf ) .
Michael is trying to write some basic 3dm to dxf module so we'll see what that is going to be .( what a great service !! )
I can do my main contour with my 3d program ( cut3d from vectric ) but some operetion function better in 2 1/2 d.
I'll post some pictures soon of the cam and the physical routing .
For the manufacturing of these guitar models I will have to do different operations on the same object so I'll machine 2 1/2 d and 3d in separate steps .I will not machine the whole model at once . I just have a home constructed cnc router so I don't have the option of doing complex toolchanges and so .
Well I'm going to try admesh now I'll let you know what happens .
Here's already an attachement of a visual contour path with cut3d from a model extruded from a basic 2d drawing in Moi.

Thanks ,

Paul
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 From:  eddi
918.6 In reply to 918.5 
G-Cod no alternative for your cnc-router??
www.cncportal.com/downloadfree.htm
work with opennurbs (3dm)
BestReg`s EDDI
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 From:  paul (PBELGRADO)
918.7 In reply to 918.6 
Thanks for the link Eddi ,

I downloaded the program an it seems quite nice .( and free )
My 3d cam program ( cut3d from vectric ) can import 3ds and stl so I can go straight from moi into that .It has a bit more features than freemill.
It's usefull for most routings but it routs in rasters like the "freemill" program .
For fast pocket and accurate routings in the main body shape it's easier to use 2 1/2 d cam ( with dxf )

Petr ,

I tried the ADmesh , It gives me a dxf but not really readable .
When I use for instance Blender . I can export from moi to blender in STL ( extruded ) .
I can take of the height visually but when I save to dxf in Blender it gives me a DXF file with the original height again.
Maybe I haven't studied Blender enough .
So I'll keep on trying .

Thanks ,

Paul
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 From:  Michael Gibson
918.8 In reply to 918.7 
Hi Paul, I cooked up a converter for you, you can download it from here:
http://moi3d.com/download/3dmCurves2DXF.zip

Unzip this to some folder, then run the 3dmCurves2DXF.exe program.

It will ask you for the name of an input .3dm file, and then the name of an output .dxf file.

It will read through the input .3dm file and convert any curve objects it finds to Spline entities in the DXF file.

Please let me know if this works to transfer your curve data over.

- Michael
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 From:  paul (PBELGRADO)
918.9 In reply to 918.8 
Hi Michael ,

Superb !!!!! and a big thanks for the work .
I'll be running some tests right away and I'll let you know .

Greetings ,

Paul
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 From:  paul (PBELGRADO)
918.10 In reply to 918.9 
Michael ,

First of all thank you very very much for the mini 3dm to dxf convertor .
It works quite well and it should be just right for my purposes .
I opened it in Turbocad and some other programs I have ( freeware , alibré x press, solidedge 2d ).
The splines that replace the curves are wel in their place .
This mini 3dm to dxf convertor will do the job for me I hope it will be usefull to somebody else also .

I'll keep the forum informed about my guitar building process with Moi .

Paul
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 From:  Frenchy Pilou (PILOU)
918.11 
Works like a charm ! Even the curves 3D (is that normal ?
Bravo!
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  Michael Gibson
918.12 In reply to 918.10 
Hi Paul, that's great, I'm glad that it will help!

I'm looking forward to seeing some guitar stuff, it would be very interesting if you could take some photos of different stages in the process and post them.


@Pilou - seems like this converter may help in more situations than I had thought!

I'm still planning on doing a much more comprehensive DWG and DXF export for version 2, but this seems to be a good step for transferring curve data to apps that don't support IGES.


> Even the curves 3D (is that normal ?

Yup, it will convert any kind of curve, either flat or 3D.

- Michael
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 From:  paul (PBELGRADO)
918.13 In reply to 918.12 
Michael ,

I tried a 3d file and it partially worked .
I'll do some more tests on it in the next days and let you know .


Paul
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 From:  Frenchy Pilou (PILOU)
918.14 
< seems like this converter may help in more situations than I had thought!
yes but after for use it, it's not so evident in the case of curves 3D :)
Yet by the simple aspect thats great, but for use it as entity it's another story :)
because they don't define a planar surface :)
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  Michael Gibson
918.15 In reply to 918.13 
Hi Paul, just to make sure we are talking about the same thing - by 3D I meant curve objects that might swoop around with different z values, instead of just being flattened on the xy plane.

Here's one example:




I didn't mean models with surfaces or solids like a sphere or solid box.

If you do run into any problems, please send me a .3dm file with the problem curve in it.

- Michael
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 From:  paul (PBELGRADO)
918.16 In reply to 918.15 
Michael ,

You're right I converted a file with surfaces and some curves . that's why I tought I was missing some lines and curves because they were actually surfaces, and the lines that were still there were the start lines and curves I made before making surfaces with them .sorry about that !!
I'll try some thing in the next days .

Paul
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 From:  Michael Gibson
918.17 In reply to 918.14 
This script macro might be useful for some data transfer stuff - this will duplicate every edge of every surface or solid in the scene as a regular independent curve object. Those curve objects can then be processed into DXF using that utility.

You can do this manually by selecting all the edges and doing copy/paste, this just makes it easier to process everything with one keystroke if you've got multiple objects.

code:
script:var breps = moi.geometryDatabase.getObjects().getBReps(); for ( var iBrep = 0; iBrep < breps.length; ++iBrep ) { var brep = breps.item(iBrep); var edges = brep.getEdges(); for ( var iEdge = 0; iEdge < edges.length; ++iEdge ) { var newedge = edges.item(iEdge).clone(); moi.geometryDatabase.addObject( newedge ); } }


To use it, go to Options / Shortcut keys and set up a new one, paste this in as the Command part.

- Michael
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 From:  Frenchy Pilou (PILOU)
918.18 In reply to 918.17 
That's works again here from a cube solid :)
each cubes' Edges are divided in small edges

---
Pilou
Is beautiful that please without concept!
My Gallery

EDITED: 13 Sep 2007 by PILOU

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 From:  Frenchy Pilou (PILOU)
918.19 
But when you select all a face you can create a real face 3D:) (in google Skechup)
(cubes' edges are always divided)
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  paul (PBELGRADO)
918.20 
Hello ,

I just tried the macro script and it all works well . Now I can see all the edge curves of the surfaces when I use the convertor to DXF.

Many thanks ,

Paul
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 From:  Frenchy Pilou (PILOU)
918.21 
In fact i have found a plugin for Sketchup who repair the "lines broken colinear" so that solve my problem for the straight lines on the 3dSpace :)
If someone is interested that is that http://www.crai.archi.fr/RubyLibraryDepot/Ruby/EM/repair_broken_lines.rb

For a 3D curve no linear seems that is more difficult to use it for build a surface :)
But maybe exist a new ruby script who knows? :)
---
Pilou
Is beautiful that please without concept!
My Gallery

EDITED: 13 Sep 2007 by PILOU

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 From:  Michael Gibson
918.22 In reply to 918.21 
It is strange that it breaks the lines in the first place... I wonder why they decide to do that?

They may process Line entities instead of Spline entities better. There are a lot of different ways to store stuff in a DXF file, right now that converter just exports everything as a Spline object, but for version 2 I want to add an option to output stuff like line, circle, and arc entities instead of everything as a spline. That might help for some situations.

- Michael
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 From:  Frenchy Pilou (PILOU)
918.23 In reply to 918.22 
In fact a simple line from Moi in 3dm converted in DXF is imported in Sketchup as a "Component"
So when you explode it you have these divided lines ! (Mysterious I am agree :)
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  paul (PBELGRADO)
918.24 
Michael ,

You can also sign me up for version 2 .
By the way How do I turn screenshots of moi into a Jpeg so I can put them on the forum for documentation ?

Paul
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