Thread: Using Obj. and stl. files
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24-08-2018 #1
Hi,
I use Zbrush to sculpt my models in the above files to import to CAM software at University.
Zbrush is not a CAD software it uses meshes and I want to use it to carve out artistic organic creations in wood.
Should this be an issue? Because the CNC operator HATES my files and says they are not correct files. I dont need very high engineering tolerances, just beautiful carvings that are the correct size give or take a few mm.
He wont even accept stl. - its only for 3D printng apparently.
Would love some advice and context as to why I am hitting this brick wall and how can I better work with the above files for CNC work.
Regards
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24-08-2018 #2
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24-08-2018 #3
He's right you're presenting him with things which are not CAD/CAM friendly, you should be using STEP and/or IGES if you want cross-platform compatibility.
Use Free Cad to convert your meshes to solids, it's well documented on line how, someone may post a link to instructions.You think that's too expensive? You're not a Model Engineer are you? :D
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24-08-2018 #4
Fiction is far more plausible when wrapped around a thread of truth
Nothing great was ever achieved without enthusiasm.
Ralph Waldo Emerson
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25-08-2018 #5
I was thinking of buying MeshCAM as it states that it will work with lots of Mesh sculpting softwares like Zbrush and MeshCAM told me this:-
"'Most CAM software converts CAD files into the same type of representation as an STL file because the math to calculate a toolpath is much more simple and reliable. As long as the STL is at least as accurate as you need the finished part to be, you're good.''
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25-08-2018 #6I was under the impression that to convert mesh files like obj. to nurbs files like 3dm. was very difficult and the software that does it is very expensive.
There are a variety of CAM programs that work fine with mesh models.Gerry
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25-08-2018 #7
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25-08-2018 #8
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