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  1. #1
    Super Moderator fuccaro's Avatar
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    Default Solid to triangular faces?

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    How can I convert the surface of my solids to triangular faces? In the past I did it by exporting to 3DS (if I remember right) and reimporting it, but AutoCAD 2015 doesn’t support any more that format.
    I tried to export in STL format (it worked), I opened the .STL file in Inventor (it worked too) and I exported from Inventor in DWG format again. But opening that last DWG in AutoCAD gives nothing .
    I am not up to date with this modern AutoCAD, the last one I used daily was AutoCAD 2006. Ca someone help me please?

    Yhank you for the welcome!
    Last edited by fuccaro; 25th Sep 2017 at 05:16 am.
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  2. #2
    Quantum Mechanic ReMark's Avatar
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    Default

    I know of a routine that will convert a solid to either 3Dmeshes or 3Dfaces. Would that be of any use?

    Here is an image of a solid that I converted using the routine.

    Sol2Faces.jpg

    BTW...welcome back fuccaro.
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  3. #3
    Super Member halam's Avatar
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    Couple of days ago I discovered XEDGES which will create a wireframe of a solid on top. This could be used in combination with edgesurf for creating meshes, not regions which will be result of exploding solids.
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  4. #4
    Quantum Mechanic ReMark's Avatar
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    Nobody suggested exploding a solid. We're talking a straight conversion from solid to triangular faces or at least that is my interpretation which is what I believe I show in the image previously posted.
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  5. #5
    Super Member halam's Avatar
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    O Sorry than
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  6. #6
    Super Moderator fuccaro's Avatar
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    Default

    Thanks for the answers!
    XEDGES just extracts the edges from a solid, I need something like "XSURFACES". To get the individual edges doesn't help me since I try to use the surface in a Lisp program.
    ReMark, that program sounds good, may I have it please?
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  7. #7
    Quantum Mechanic ReMark's Avatar
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    Default

    This is the program description:

    Sol2Mesh
    and Sol2Faces - convert 3DSolids to 3DMeshes or 3DFaces (VLX Lisp for AutoCAD 2011/2012).

    This is where it can be found:

    http://www.cadforum.cz/cadforum_en/dl_file.asp?ID=1444

    This is a copy of the program which, in order to upload it, I had to add the .zip file extension although it is NOT a zip file. Download and rename the file by removing the .zip file extension and you are good to go.

    sol2mesh.vlx.zip
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  8. #8
    Super Moderator fuccaro's Avatar
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    Thanks, I downloaded it and I will give it a try tomorrow.
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  9. #9
    Super Member bjenk8100's Avatar
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    Whats the point/advantage of triangular faces?

  10. #10
    Super Moderator fuccaro's Avatar
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    Default

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    The program works just fine, thank you again, ReMark!
    bjenk8100, writing Lisp programs sometimes I need to find out coordinates on the existing solids. If you try ENTGET on a solid, AutoCAD will return a list that only Einstein's brain can understand. Working with triangles or even with mesh objects is much simpler.
    It's nice to be nice, but sometimes is nicer to be evil!
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