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3D Model for Fusion 360 Simulation?

Discussion in 'CNC Mills/Routers' started by Hoth, Dec 3, 2024.

  1. Hoth

    Hoth New
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    Since there are clearly 3D models of the Lead 1010 in existence, is there one available that we can use in Fusion 360 for simulation? There are tons of other companies' machine models available in Fusion 360 so it would cool to have the Openbuilds represented. You can use a generic model made by Autodesk but it looks pretty bad and I would argue it's not as useful as an accurate one.
     
  2. Misterg

    Misterg Veteran
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    If you have a 3D mode of the machine, it's not too hard to set it up as a F360 simulation model (if nobody else has done it already). I did it for my own design machine by following this video:



    (Note I have it in my mind that the OpenBuilds Fusion 360 post processor didn't used to support simulation models, but that it does now - be worth checking that you're up to date if you run into problems.)
     
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  3. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    And please if you do get round to doing it, please do a writeup here on the forum :)
     
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  4. Hoth

    Hoth New
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    The trick is having that 3D model of the whole machine. I figured that the Openbuilds team must have made a full assembly model since there are renders of the machine on this website. If we could get that model, one of us could get it set up in F360 and I would imagine we could upload that F360 setup here for everyone to use.
     
  5. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Only in Sketchup format (builds menu above > openbuilds machines category. Each machine has a Build. Each Build has a Files and Drawings tab where you'll find the Sketchup files)

    Fusion can import sketchups, not sure if such a complete model might be problematic to import though

    Otherwise can use sketchup and export to some other intermediate formats
     
  6. Hoth

    Hoth New
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    I could open the sketchup model in F360 but it's like an STL file - not really solid. Maybe that would work anyway. But the z-axis and gantry are one component which would be pretty hard to separate.

    I don't have sketchup. Would it be difficult to export the major axes as separate sketchup components that could be imported separately? Ideally sketchup would have a STEP file export or some other solid format?
     
  7. Hoth

    Hoth New
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  8. Hoth

    Hoth New
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    ChatGPT says Sketchup Pro can export STEP files...
     
  9. Hoth

    Hoth New
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    Looks like Fusion can convert a mesh body to a solid and I've had success with a few parts. It'll be tedious but I may slog through it.
     
  10. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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  11. Misterg

    Misterg Veteran
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    IME, the resulting solids are faceted and are an absolute PITA to work with :(
     
  12. Hoth

    Hoth New
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    Yes, the SketchUp files are definitely a PITA to work with. They come in as a bunch of components, but some of the components are nested many layers deep. Every single mesh needs to be converted to a base feature and even then, some don't stitch together correctly and you just get a surface body instead of a solid.

    What I don't understand is, you can download solids (STEP I think) of stuff like plates, wheels and even actuators, which is what the Lead 1010 is made out of, so why is it modeled in SketchUp? Doesn't seem very useful for maintaining a CAD database of parts that get made and sold. Or maybe I'm missing something.
     
  13. Hoth

    Hoth New
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    This is one of the actuators that's in the CAD library you can download... works great! upload_2024-12-4_15-20-32.png
     

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