gcodepreview
libfive
gcodepreview | libfive | |
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25 | 25 | |
11 | 1,338 | |
- | 0.3% | |
7.8 | 4.9 | |
9 days ago | 26 days ago | |
OpenSCAD | C++ | |
GNU Lesser General Public License v3.0 only | - |
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gcodepreview
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Digital Wood Joints
I've been working on this sort of thing for a while.
For a Japanese spin on this see Tsugite:
http://ma-la.com/Tsugite_UIST20.pdf
which I worked through at:
https://community.carbide3d.com/t/a-study-of-joinery/28492
Traditional joints (box, dovetails, or obscure variations such as Knapp (cove and pin)) require a vertical fixture and 3 setups (at a minimum) --- cut parts to length and machine internal features, mount four board and cut joints in 2 corners, flip boards (with correct orientation) and cut other two corners.
Rabbet joints are simpler --- so simple that they were covered in a video as "The Simple Box":
https://www.youtube.com/watch?v=V93xDM3lXsM
(ob. discl., I work for Carbide 3D)
There have been a number of programs developed for joinery. A current commercial option is:
http://www.g-forcecnc.com/jointcam.html
(but it requires a vertical fixture)
One commercial option became freely available:
https://fabrikisto.com/tailmaker-software/
and ingeniously has an option where a 30 degree V endmill is used, but to cut boards held at a 15 degree angle, affording a 90 degree cut with a great deal of control and flexibility --- this can multiply setups to 9.
A variation I've been experimenting with is full-blind box joints:
https://community.carbide3d.com/t/full-blind-box-joints-in-c...
They're reasonably easily drawn up, though they do have some rather specific tooling requirements (a narrow 90 degree V endmill, a square tool of that or smaller diameter, and to make things easier, a large V endmill)
One test project was so tight that after putting it together for a dry-fit before gluing I was unable to get it apart:
https://cutrocket.com/p/63781eaf9822f/
I've been working on a programming system to make this sort of thing a bit easier:
https://github.com/WillAdams/gcodepreview
and have some sketched out joints which I've not been able to make using existing CAM tools which I hope I'll be able to do using this system (if anyone could recommend books on conic sections, I'd be grateful --- that's where I got bogged down last time).
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PicoGK is a compact and robust geometry kernel for Computational Engineering
While I certainly appreciate the virtues of a Domain Specific Language, and that OpenSCAD has been wildly successful because of its limitations, the limitations are downright infuriating at times.
An interesting potential alternative (which hopefully won't result in a fork) is adding Python:
https://pythonscad.org/
which I've had some success with:
https://github.com/WillAdams/gcodepreview
ImplicitCAD is interesting --- and the (new?) ability to open files from GitHub is _amazing_ (OpenSCAD recently gained that same facility, _and_ it supports the customizer: https://seasick.github.io/openscad-web-gui/?https://raw.gith... ), but it's a heavy lift given the need to work out how to edit files, preview them, and so forth.
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Flattening Bézier Curves and Arcs
Do you have a need to?
Do you have a project which might be able to make use of this? What sort of work do you do?
I am bookmarking this for re-reading later because I hope it will help me to understand how to implement Bézier curves in a tool I've been working on for controlling a CNC machine/creating files for cutting on a CNC:
https://github.com/WillAdams/gcodepreview
(but first I have to get arcs working)
- OpenSCAD Survey - What should be improved ?
- OpenSCAD Survey - what programming language do you want to be added to app?
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FullControl: Unconstrained gcode design for 3D printers
Interesting.
I've long been frustrated by traditional CAD/CAM, so finally worked up:
https://github.com/WillAdams/gcodepreview
which allows me to use:
http://pythonscad.org/
and:
https://github.com/derkork/openscad-graph-editor
to create joinery:
https://forum.makerforums.info/t/openscad-and-python-looking...
which would otherwise be tedious to draw up:
https://community.carbide3d.com/t/creating-drawers/19475/26
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Visual Node Graph with ImGui
The problem here is that a fundamental question has not been answered, and as far as I can tell, has not been addressed by any of these visual environments:
What does an algorithm look like?
Herman Hesse alluded to this in his novel _The Glass Bead Game_, but despite decades of discussion and work, no one has made a convincing pysical representation of that system.
I love the concept, and have made some moderately complex attempts, e.g.,:
https://www.blockscad3d.com/community/projects/1430644
https://github.com/WillAdams/gcodepreview
it always devolves to screen size being out-paced by problem complexity --- one gets something of an inkling of this at:
https://scriptsofanotherdimension.tumblr.com/
Alternately, one can just break a project down into modules, but then the top-level view becomes the wall of text representation (albeit w/ nice lines or captured into pretty boxes) which one is ostensibly trying to escape.
I'd love to see someone succeed in this, and I've been using:
https://github.com/derkork/openscad-graph-editor
quite a bit, and put a bit of money towards:
http://nodezator.com/
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Suggest for buying a small CNC
or perhaps Solvespace --- certainly FreeCAD, and if you're inclined to do programming, OpenSCAD --- see: https://github.com/WillAdams/gcodepreview for an approach which uses RapCAD
- Buy a used Bobs Evolution 4?
- Script release ETA
libfive
- PicoGK is a compact and robust geometry kernel for Computational Engineering
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OpenSCAD Survey - what programming language do you want to be added to app?
Guile/Scheme: https://libfive.com/
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Meta Releases Intermediate Graphics Library
You probably have already seen this, but I would take a look at libfive for inspiration
https://libfive.com/
- Better OpenSCAD?
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Question About Runtime Mesh Editing
You can find a few algorithms online (such as csg.js and libfive), but most of them are either not robust or fast enough for real-time graphics.
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Show HN: Make 3D art in your browser using Lisp and math
No; Bauble doesn't know how to "rasterize" SDFs into meshes; it only knows how to raymarch them. It's theoretically possible, but it's a pretty complex problem that would take me much too long to figure out and implement. So Bauble is relegated to just making pretty pictures for now. If you want to produce meshes using SDFs, check out https://libfive.com/
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Antimony – computer-aided design tool from the Lisp machine parallel universe
This is a mid-point in Matt Keeter's research.
Start at:
http://mattkeeter.com/research/thesis.pdf
then see:
http://www.mattkeeter.com/projects/kokopelli/
then Antimony (see the article at: http://hackaday.com/2015/05/29/otherworldy-cad-software-hail... ), then the current effort:
https://github.com/libfive/libfive
(and also see: https://www.gitlab.com/kavalogic-inc/tovero "a binding of Libfive to Common Lisp, including a standalone REPL-based viewer"[https://github.com/Irev-Dev/curated-code-cad] can be integrated with https://www.gitlab.com/kavalogic-inc/clive
Currently I'm using OpenSCAD (w/ BlockSCAD as a front-end: https://www.blockscad3d.com because I prefer a sort of visual representation), but have been stymied by the lack of file I/O (I want to write out G-code).
Still looking for a 3D modeling tool which is:
- a node or block editor
- Learning CAD on Linux
- OpenSCAD 3D rendering just got an order of magnitude faster
- CadQuery –- A Python parametric CAD scripting framework based on OCCT
What are some alternatives?
openscad-graph-editor - OpenSCAD Graph Editor
jupyter-cadquery - An extension to render cadquery objects in JupyterLab via pythreejs
manifold - Geometry library for topological robustness
curv - a language for making art using mathematics
RapCAD - Rapid prototyping CAD IDE for RepRap and RepStrap 3D printing machines.
libredwg - Official mirror of libredwg. With CI hooks and nightly releases. PR's ok
Pythonocc-nodes-for-Ryven - Pythonocc nodes for Ryven
fosscad-repo - Official FOSSCAD Library Repository
jsketcher - Parametric 2D and 3D modeler written in pure javascript
cxx - Safe interop between Rust and C++
meshmill - The world's greatest open source 3D CAM software. (Maybe one day.)
cadquery - A python parametric CAD scripting framework based on OCCT