CUculi·Dec 20, 2025
There's also OpenJSCAD. Which, being JavaScript ofc, can run in the browser
https://openjscad.xyz/
https://github.com/jscad/OpenJSCAD.org
In OpenSCAD is kinda neatjscad
OpenJSCAD.org
JavaScript2017–2025
jscad / OpenJSCAD.org
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 creating ready-to-print 3D designs.
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3.3KGitHub stars
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What it is
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 creating ready-to-print 3D designs.
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:56:07 PM UTC.
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HN mentions by year6 dated mentions
Observed mentions: 2017-05-14 13:28:36 UTC to 2025-12-20 19:27:21 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
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| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2017 | 2017-01-01 00:00:00 UTC | 2018-01-01 00:00:00 UTC | 1 | 1 | 0 |
| 2018 | 2018-01-01 00:00:00 UTC | 2019-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2019 | 2019-01-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2020 | 2020-01-01 00:00:00 UTC | 2021-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2022 | 2022-01-01 00:00:00 UTC | 2023-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2023 | 2023-01-01 00:00:00 UTC | 2024-01-01 00:00:00 UTC | 2 | 0 | 2 |
| 2024 | 2024-01-01 00:00:00 UTC | 2025-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2025 | 2025-01-01 00:00:00 UTC | 2026-01-01 00:00:00 UTC | 1 | 0 | 1 |
What Hacker News says
6 sourcesI would advise to keep at it and not overcomplicate things.
There was a recent video on creating generative trees [0] and the hack was to just let the cylinders intersect, so even hacky tricks can work and produce good results. As you say, CSG can work but might be overly complicated. Another trick is to create a tree skeleton and then do lofting, maybe even combined with CSG, to create the trunk and bark.
For me, a good library is enabling and finding a good 3d geometry library, maybe to do boolean operations, like joining cylinders or subtracting geometry out, helps enable a lot of new ideas. I've played with a few geometry libraries and the only one I even vaguely like is JSCAD [1].
[0] https://youtu.be/8zMbJmuwEUc?si=KQclrVPeSrIRmsbA
[1] https://github.com/jscad/OpenJSCAD.org
In My favorite tools and techniques for procedural gamedevits uses https://github.com/jscad/OpenJSCAD.org library to create the 3d model
you can get source code here https://github.com/vivekg13186/block-cad-desktop
In A blocky based CAD programits uses https://github.com/jscad/OpenJSCAD.org library to create the 3d model
In A blocky based CAD programNo one has mentioned OpenJSCAD, which is the same idea in Javascript: http://openjscad.azurewebsites.net/
https://github.com/jscad/OpenJSCAD.org/tree/V2
A fairly substantial rewrite is underway, the V2 branch linked above.
In Getting the best out of OpenSCADOpenSCAD and JavaScript = OpenJSCAD
3 points · Open discussion