ocf-models
sdf
| ocf-models | sdf | |
|---|---|---|
| 1 | 18 | |
| 0 | 1,584 | |
| - | - | |
| 10.0 | 6.7 | |
| over 2 years ago | about 1 month ago | |
| Python | Python | |
| BSD 3-clause "New" or "Revised" License | MIT License |
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ocf-models
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A simple PoC for IoT Platform
Sure, we wrote this in 2016 and in that time there isn't any truly flexible platform but right now even standardization bodies are following to have somehow structure for things and their capability. Check out here and here.
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?
What are some alternatives?
sdfstudio - A Unified Framework for Surface Reconstruction
meshlab - The open source mesh processing system
trimesh - Python library for loading and using triangular meshes.
meshio - :spider_web: input/output for many mesh formats
sdfx - A simple CAD package using signed distance functions
vedo - A python module for scientific analysis of 3D data based on VTK and Numpy
opencascade-emscripten-port - Open CASCADE - Emscripten / Webassembly port
libfive - Infrastructure for solid modeling
q-pack - Open source version of the proton pack from the Ghostbusters movies
cadquery - A python parametric CAD scripting framework based on OCCT
Round-Anything - A set of OpenSCAD utilities for adding radii and fillets, that embodies a robust approach to developing OpenSCAD parts.
BOSL2 - The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA