fornjot
lagrange-keyboard
fornjot | lagrange-keyboard | |
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35 | 23 | |
1,878 | 124 | |
- | - | |
10.0 | 0.0 | |
6 days ago | over 2 years ago | |
Rust | Clojure | |
Zero-Clause BSD (0BSD) | GNU Affero General Public License v3.0 |
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fornjot
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Text-to-CAD: Risks and Opportunities
I agree 100%.
Truck[1] and Fornjot[2] are recent attempts in the Rust space, both are WIP.
But both seem to be going the traditional way. I.e. B-Rep that can be converted to (trimmed) NURBS.
I think if one wanted to incorporate the last 50 years of computer science, particularly computer graphics, one needed to broaden the feature set considerably.
You need support for precision subdivision surface modeling with variable radius creases (either via reverse subdivision where you make sure the limit surface pass through given constraints or using an interpolating subivision scheme that but has the same perks as e.g. Catmull-Clark).
Then you need to have SDF modeling ofc.
Possibly point based representations. If only as inputs.
And traditional B-Rep.
Finally, the kernel should be able to go back and forth lossless between these representations wherever possible.
And everything must be node-based, like e.g. Houdini. Completely non-destructive.
[1] https://github.com/ricosjp/truck
[2] https://github.com/hannobraun/fornjot
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Is there an open source CAD program made in rust?
Fornjot seems like this question was tailored for it: https://www.fornjot.app/
- Truck: CAD Kernel in Rust
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CAD Sketcher, free and open-source project bringing CAD like tools to Blender3d
I think some interesting developments are made in that sector in the form of https://github.com/hannobraun/Fornjot and https://github.com/ricosjp/truck. Let's see whether one of those will actually get anywhere near a usable level. Fornjot in particular is shaping up really well.
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Show HN: Dslcad a programming language and interpreter for building 3D models
E.g. Rhai[2] or Lua or whatever.
And I guess if their tech is solid enough, someone will do that eventually and open a PR or fork the project. They do not use an existing geomtry kernel but do everything from scratch which makes this a very interesting endeavour.
There also seems to be a goal overlap between Fornjot and DieselCAD
[1] https://github.com/hannobraun/Fornjot
[2] https://rhai.rs/
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Just saw this on Facebook. Brilliant solution. Anyone print one of these?
I have heard of yet another in-development CAD software like OpenSCAD or CADQuery, called Fornjot. Still, these are not ideal.
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Fornjot (code-first CAD in Rust) - Progress Report
I'm not opposed to someone else adopting that code and creating that crate though! (Fair warning though, Fornjot might not end up using that crate. We might still go with another approach eventually.)
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The Orb: a parametric trackball with BTU mounted ball and keyboard switches for buttons
also it's to early to be off much use to you, but have you heard of https://www.fornjot.app/ ? it's a very in development cad kernel that is also aiming for integration into multiple host languages.
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Fornjot (code-first CAD in Rust) - Weekly Release - 2022-W36
Yes! The website and repository README have a screenshot, and there are screenshots for each model in the models/ directory.
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Fornjot (code-first CAD in Rust) - Weekly Release - 2022-W32
I'm kind of interested in this issue because it's what I immediately wanted when I ran fj-app.
lagrange-keyboard
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Surface finish for 3D-printed case
You can see an example in the photos of my Lagrange keyboard.
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A clamp mount accessory for the Lagrange
I was looking for a suitable example for a tutorial for my programmatic solid modeling CAD Gamma and a clamp seemed suitable. Well, I haven't started work on the tutorial yet, but here's a clamp-mount assembly for my Lagrange keyboard.
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Split keyboard - Trackball positioning
I had both my Expert Mouse and the Orb I'm now using, between the two halves of my Ergodox and now my Lagrange. Ergonomically, it is, I think, the natural choice, but perhaps the separation between the halves is larger than average in my setup.
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The Orb: a parametric trackball with BTU mounted ball and keyboard switches for buttons
As for Gamma: I wasn't really aware of CadQuery, but I did use OpenSCAD extensively, when designing my Lagrange keyboard. Gamma started as a way to address some aspects I didn't find quite satisfactory (as, to be fair, I can't say I had any real problems). Also to be fair, I used OpenSCAD through a frontend(scad-clj) translating Clojure code to its native language and some of the problems may have been due to that, but that is also one of the issues I had with OpenSCAD: why have to learn a new language when there are existing embedabble scripting languages, you might now already, of if not, which you might use elsewhere and which, having years of development, will likely be better?
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Custom to hand concave keyboards?
This is not about the Dactyl per se, but my Lagrange keyboard supports this (or at least attempts to; it's hard to guarantee that the resulting geometry will be problem-free for a given set of parameters). The build guide goes into some detail on what you're trying to do.
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Anybody had tried this kind of keycap?
I've tried it. In fact, I've designed it, I designed it as a key meant to be operated with the edge of the palm with my Lagrange keyboard. This doesn't mean it couldn't be used as a thumb key of course, but note that you could also create your own custom version of this (or other keys).
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Down the mechanical keyboard rabbit hole
I started with an ErgoDash [1], purchased because my Microsoft/Logitech split keyboards had worn out, and at the time I couldn't find a replacement with normal (not low profile) keys. It has a few additional keys compared to the Iris. I have one at work and another at home, and to make them more similar to the broken keyboards I 3D printed angled bases. I use it for 99% of my typing.
I should probably have tried a Kinesis Advantage 2 first.
I'm partway through printing/assembling a Lagrange keyboard [2] (I'm currently stuck working out how to order the circuit boards), which is similar to the Dactyl. I will add the F1-F12 keys to my print, as they're the only thing I miss -- if a shortcut in my IDE is Ctrl+Shift+F10, it's nice for it to be that, not Ctrl+Shift+Fn+0.
I made [3] to help others see what's available.
[1] https://github.com/omkbd/ErgoDash/
[2] https://github.com/dpapavas/lagrange-keyboard
[3] https://aposymbiont.github.io/split-keyboards/
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Dactyl Manuform as daily driver?
I don't use a DM, but if the question is whether something like the DM could be used as a daily driver, or whether something "less radical" would be preferable, I can say that I've been using my Lagrange as a daily driver for more than a year now. Its geometry is comparable to that of the DM and, from what I can tell, it's more aggressively curved.
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Keyboards and Open-Source
I was warned by a colleague that this was a rabbit hole, then warned by people online, and I'll pass on that warning now.
I tried to help by updating and better-presenting an existing list of ergonomic mechanical keyboards: https://aposymbiont.github.io/split-keyboards/
I'm using an ErgoDash¹ with a 3D-printed tilted stand, but I intend to assemble a Lagrange² "soon".
¹ https://github.com/omkbd/ErgoDash
² https://github.com/dpapavas/lagrange-keyboard
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How's concavity? Do I really need it?
Having spent quite a bit of time over the past couple of years designing a concave keyboard (the Lagrange) and therefore having a sort of vested interest, psychologically speaking, to say "yes, definitely!", I would say: depends what you mean by "worth it".
What are some alternatives?
cadhub - We're out to raise awareness and put CodeCAD on the map. The success of CadHub can be measured by the amount it promotes the use of CodeCAD within the mechanical/manufacturing industry and the strength the CadHub community.
nyx-kb - Nyx low-profile split ergonomic keyboard
truck - Truck is a Rust CAD Kernel.
void_switch - 3D printable magnetic separation contactless key switch and stabilizers (OpenSCAD files)
openscad - OpenSCAD - The Programmers Solid 3D CAD Modeller
Sweep - Sweep - a small promicro based keyboard inspired by the Ferris.
high-assurance-rust - A free book about developing secure and robust systems software.
vial-qmk - QMK fork with Vial-specific features.
cadquery - A python parametric CAD scripting framework based on OCCT
dactyl-keyboard - Web generator for dactyl keyboards.
dyon - A rusty dynamically typed scripting language
jiaex