sdf
meshio
| sdf | meshio | |
|---|---|---|
| 18 | 3 | |
| 1,485 | 1,795 | |
| - | - | |
| 0.0 | 4.8 | |
| 3 months ago | 5 days ago | |
| Python | Python | |
| MIT License | MIT License |
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sdf
- Sdf – Generate 3D meshes based on SDFs
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FreeCAD User Book (2019)
I used to like OpenSCAD for its simple approach but then I discovered SDF-based modelling with Python made possible with this neat library: [1]. This is perfect if you are a programmer that doesn't know anything about CAD-Software.
1.: https://github.com/fogleman/sdf
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CAD Sketcher, free and open-source project bringing CAD like tools to Blender3d
>these the the central core that understands BREP and implements the geometric operations.
I've seen people quote a good modern CAD kernal as a 100 man year project. It's probably not going to happen, maybe there's some avenue for government funding?
Alternatively Signed-Distance-Functions are pretty nice. They're not BREP, but they're a lot easier to implement, and it might be possible to shove them into a BREP-shaped hole.
Here's a signed-distance-function based CAD kernal written in a few thousand lines of python+numpy, that seems to be about as fast as openscad. Maybe faster. https://github.com/fogleman/sdf
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Signed distance functions in 46 lines of Python
Excellent. You might be interested in a Python library that I wrote for generating 3D meshes (STL files) from SDFs : https://github.com/fogleman/sdf
It just uses marching cubes for triangulation but the SDFs are all numpy'd and the SDF is evaluated in batches on multiple threads so it's relatively fast.
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Plot of triangle mesh with py5
I used the SDF repo by Michael Fogleman. Check out his website, there's a ton of useful stuff on there. He contributes a lot to the open source community and has been mentioned in r/PlotterArt before.
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10 ways to get the best out of OpenSCAD
Try out fogleman/sdf[1]. It is like OpenSCAD in many ways but the distance field model gives you offsets and fillets more easily.
[1] https://github.com/fogleman/sdf
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Is it possible to 3d print signed distance functions?
https://github.com/fogleman/sdf this python project can create mesh from sdf
- Curated Code CAD
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Guerrilla guide to CNC machining, mold making, and resin casting (2015)
> https://github.com/fogleman/sdf
Holy crap, why have I not seen this before?!?!!? I was even planning to start coding something like this myself. This is awesome!
- I am planning on creating a programming language for my Informatics Bachelor Thesis. What are your ideas for such a project?
meshio
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Importing self made meshes to ansys - what is the format for parsable text files?
Use [meshio](https://github.com/nschloe/meshio) and write a script to directly translate your mesh connectivity and boundary data and export to Ansys .msh. Easier option if you use/are familiar with Python.
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What mesh quality checks you usually check before calculations?
I am writing a command line tool (something like OpenFOAM's checkMesh) as a hobby and learning project, to check mesh quality for mesh formats supported by meshio
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can you convert a .mesh file to an .stl file
Try Meshio-convert https://github.com/nschloe/meshio
What are some alternatives?
meshlab - The open source mesh processing system
trimesh - Python library for loading and using triangular meshes.
vedo - A python module for scientific analysis of 3D data based on VTK and Numpy
sdfx - A simple CAD package using signed distance functions
pymadcad - Simple yet powerful CAD (Computer Aided Design) library, written with Python.
pytransform3d - 3D transformations for Python.
opencascade-emscripten-port - Open CASCADE - Emscripten / Webassembly port
neatmesh - 📐🔍 Mesh quality inspector
libfive - Infrastructure for solid modeling
scikit-rf - RF and Microwave Engineering Scikit