CascadeStudio
curated-code-cad
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CascadeStudio | curated-code-cad | |
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18 | 6 | |
958 | 219 | |
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0.0 | 3.4 | |
10 months ago | 4 months ago | |
JavaScript | Python | |
MIT License | MIT License |
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CascadeStudio
- Cascade Studio
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Gimp 2.99.18 Released: The Last Development Preview Before 3.0
OCCT is definitely difficult.
I am almost as far as you can get from an expert but:
For example the TNP issue derives from OCCT (or something in the stack close to it, I am not exactly sure) not really handling face naming at all.
So if you want to avoid topological naming issues (which is a hard problem in CAD), you apparently have to do some work to track before and after and reconstruct your face naming.
https://wiki.freecad.org/Topological_naming_problem
https://forum.freecad.org/viewtopic.php?t=27278
Then there are various fairly entrenched issues to do with filleting and chamfering. Basically, both these operations will fail (in FreeCAD at least, but it's OCCT at "fault") if a chamfer or fillet would completely consume an existing edge. (It also sometimes creates impossible objects when filleting, or used to).
Booleans can be slow.
And more generally, it seems if you track the FreeCAD project that OCCT can be inscrutable when things fail; error messages aren't the greatest etc.
The flip side of OpenCascade is that it seems to be highly portable and has for example been compiled to JS with Emscripten for this astonishing thing:
https://zalo.github.io/CascadeStudio/
It's a monumental open source project, for sure, and it's definitely not nothing that we have an open source CAD kernel; these are projects that perhaps have to extend beyond the working life of an individual developer if they are to be stable. And there are loads of projects built around it.
- Better OpenSCAD?
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Show HN: Dslcad a programming language and interpreter for building 3D models
If you haven't seen it you may want to check out https://github.com/zalo/CascadeStudio
From what I see, it is exposing the OpenCascade base commands directly, versus your completely new DSL, but you might be interested in a way to implement your DSL on top of such an interface such as this which takes out a lot of the extra work of having a rendering interface, exports, etc, maybe.
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Ask HN: If money was no object what software would you create?
It's nowhere near ready for primetime, but you should take a look at CascadeStudio (https://github.com/zalo/CascadeStudio)
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Fornjot – The world needs another CAD program
FreeCAD is GUI-based though, not code-first like Fornjot. A better comparison would be CadQuery (https://cadquery.readthedocs.io/en/latest/intro.html) or Cascade Studio (https://zalo.github.io/CascadeStudio/), both of which are code-first and based on the same CAD kernel as FreeCAD.
- Fornjot: A next-generation Code-CAD application
- CascadeStudio: A Full Live-Scripted CAD Kernel in the Browser
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Support for Javascript?
It is an actual example from CascadeStudio, but I haven't looked into it enough to know how what actually happens under the hood, but I assume the following:
- Playing with Mystery Curves (inspired by the whirlpool vase posted a couple days ago)
curated-code-cad
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Dune 3D – an open source parametric 3D CAD app bassed on OCCT
> I would love to see a successor to OpenSCAD
There is quite a few "code" CAD's around https://github.com/Irev-Dev/curated-code-cad. Cadquery has contraints but isn't really a DSL.
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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
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What happened Tovero (libfive bindings) and Clive (scene graph and 3D GUI) from Kavalogic and previously hosted on common-lisp.net?
From 2018 through sometime 2020 there seems to have existed two projects surrounding 3D modelling in CL, Tovero as libfive bindings and Clive as some sort of scene graph with a 3D GUI as per this description from a random git commit I found:
- 3D version of MakeCode from Buildbee.com (for making 3D models for 3D printing/CNC)
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Is there a way to make cad models using programming? Just Curious.
Checkout this resource for a whole host of different options (besides FreeCAD) https://github.com/Irev-Dev/curated-code-cad
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To design a new mount for the Chimera 2in2out for the Ender 3, I rebuilt the carriage assembly in OpenScad and partyl QCad.
I tried using python scripting with FreeCad's 2d constraints mechanisms, which I had high hopes for but found it to be too difficult. I did a decent write up about it here: https://github.com/Irev-Dev/curated-code-cad/pull/8
What are some alternatives?
cadquery - A python parametric CAD scripting framework based on OCCT
psml - Python library for OpenSCAD
jsketcher - Parametric 2D and 3D modeler written in pure javascript
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.
FreeCAD_SheetMetal - A simple sheet metal workbench for FreeCAD
Kind - A next-gen functional language [Moved to: https://github.com/Kindelia/Kind2]
pythonocc-core - Python package for 3D CAD/BIM/PLM/CAM
truck - Truck is a Rust CAD Kernel.
Pythonocc-nodes-for-Ryven - Pythonocc nodes for Ryven
BOSL - The Belfry OpenScad Library - A library of tools, shapes, and helpers to make OpenScad easier to use.
cqMore - More fundamental API on CadQuery.