sdf
Round-Anything
| sdf | Round-Anything | |
|---|---|---|
| 18 | 13 | |
| 1,485 | 438 | |
| - | - | |
| 0.0 | 1.5 | |
| 3 months ago | about 1 month ago | |
| Python | OpenSCAD | |
| 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?
Round-Anything
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How can I create a quarter cylinder?
In the vein of "lots of ways to do things", my personal favorite for rounding is Round Anything: https://github.com/Irev-Dev/Round-Anything
- Module to round individual corners of cubes in 2d
- Setting units and fillets?
- Preferred way for rounding corners?
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OpenSCAD 3D rendering just got an order of magnitude faster
I was looking for this recently and found a great OpenSCAD library called RoundAnything. It looks very productive:
https://github.com/Irev-Dev/Round-Anything
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OpenSCAD help needed
And then there is Round Anything: https://github.com/Irev-Dev/Round-Anything
- 10 ways to get the best out of OpenSCAD
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Try this,
Yes, The tip solves one of the most reoccurring questions about OpenSCAD, How to make chamfer and fillets on extrusions. As for description the code is both commented and names are assigned to indicate their purpose. In combination with the Round-Anything library a good chunk of usually hard modeling becomes real easy.
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This how far I've gotten after 10 days through learning curve and iterative cycle of OpenSCAD > Cura Slicing > 3D Printing > Tweaking > Repeating...
Back to topic, you might find Round Anything to be useful -- I certainly have. I haven't used it yet, but the shell2d() out of the Belfry OpenScad Library also looks like it would be helpful for these sort of functional parts.
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"offset" for 3D?
I submit my own library that supposed to help with fillets, can be used for chamfers too. https://github.com/Irev-Dev/Round-Anything
What are some alternatives?
meshlab - The open source mesh processing system
BOSL2 - The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA
trimesh - Python library for loading and using triangular meshes.
SolidPython - A python frontend for solid modelling that compiles to OpenSCAD
sdfx - A simple CAD package using signed distance functions
BOSL - The Belfry OpenScad Library - A library of tools, shapes, and helpers to make OpenScad easier to use.
meshio - :spider_web: input/output for many mesh formats
PolyDiceGenerator - A customizable Polyhedral Dice Generator for OpenSCAD.
vedo - A python module for scientific analysis of 3D data based on VTK and Numpy
cadquery - A python parametric CAD scripting framework based on OCCT
opencascade-emscripten-port - Open CASCADE - Emscripten / Webassembly port
OpenJSCAD.org - JSCAD is an open source set of modular, browser and command line tools for creating parametric 2D and 3D designs with JavaScript code. It provides a quick, precise and reproducible method for generating 3D models, and is especially useful for 3D printing applications.