CascadeStudio
BOSL
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CascadeStudio | BOSL | |
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18 | 16 | |
958 | 469 | |
- | - | |
0.0 | 0.0 | |
10 months ago | about 1 year ago | |
JavaScript | OpenSCAD | |
MIT License | BSD 2-clause "Simplified" License |
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Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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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)
BOSL
- Can you add male or female bolt threads in Prusa Slicer?
- I'm sure many around here already know about this gear generation library, but for those who don't, I'm sharing it here,
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I just want to show you my parametric gear that I just finished. Since the code is a mess, I can't share it completely, but I'll improve it soon so you can use it easily.(sorry for my english)
I belive something like this?
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Bosl1 or 2
Ah, never mind. I found it: https://github.com/revarbat/BOSL
- Creating a library for OpenSCAD
- Help with a threads module. I don't know where to start to add in the specs I want.
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OpenSCAD help needed
OpenSCAD provides the primitives for constructive geometry. Anything beyond that requires libraries. BOSL is quite popular (although I use BOSL rather than BOSL2 because BOSL2 is not finalized). https://github.com/revarbat/BOSL
- N-order Bezier curve function (Did I do this right?)
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What is the best 3D modeling program to learn?
If you have any programming experience then OpenSCAD might be worth a look. Up until very recently I have used it exclusively for the past few years. It takes a bit to build yourself up a personal library of common shapes but once you do you can code up a design pretty quickly. And if you use any type of good programming experience your designs are parametric by default. There are also existing libraries out there that can help out quite a bit (e.g. https://github.com/revarbat/BOSL and https://github.com/JustinSDK/dotSCAD)
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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.
What are some alternatives?
cadquery - A python parametric CAD scripting framework based on OCCT
BOSL2 - The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA
psml - Python library for OpenSCAD
OpenAstroTracker - 3D printed DSLR tracking mount
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.
NopSCADlib - Library of parts modelled in OpenSCAD and a framework for making projects
Kind - A next-gen functional language [Moved to: https://github.com/Kindelia/Kind2]
threads-scad - OpenSCAD threading library
truck - Truck is a Rust CAD Kernel.
SolidPython - A python frontend for solid modelling that compiles to OpenSCAD
curated-code-cad - A list of the various code-cad projects out there.
bend.scad - Procedures for bending models on the surface of a cylinder or into a parabola in OpenSCAD