sdfx
solvespace
sdfx | solvespace | |
---|---|---|
9 | 69 | |
504 | 3,008 | |
- | 0.8% | |
8.1 | 7.2 | |
4 months ago | 14 days ago | |
Go | C++ | |
MIT License | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
sdfx
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OpenSCAD Survey - what programming language do you want to be added to app?
Go: https://github.com/deadsy/sdfx
- Better OpenSCAD?
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cadCAD alternative for Go?
Object Oriented Programming is a way to go to create CAD tool for school project, not golang (too hard for school task). If you really must, this was I want to try in one of my projects: https://github.com/deadsy/sdfx
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3D Printed fightstick
Designed all of these parts* using Deadsy/SDFX, it was certainly interesting and I enjoyed working with it, getting visual artifacts off my model and keeping file sizes down is a bit tedious though.
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SolveSpace – parametric 2d/3D CAD
I wrote this (in golang) to satisfy my need to generate STLs for 3d printing.
https://github.com/deadsy/sdfx
In general I like to write code to define objects, but there are some situations where a graphical editing UI would be nice. ie- Curve and polygon design.
You can sort of imagine a hybrid approach where you could crack open a mini editor to design a curve and then use it to generate code (table of numbers) which you could then extrude/sweep/loft or whatever.
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Wrench to Remove Fuel Pump Ring Nuts
github source
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Curated Code CAD
Nice to see sdfx [1] there, this project is impressive.
deadsy built some rather sophisticated models, be sure to check out the renderings in the github README!
https://github.com/deadsy/sdfx
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Looking for STLs for 1u blank panels
Code: https://github.com/deadsy/sdfx
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What free CAD software should I use for precise designs for a 3d-printer?
I had a similar question, and this is how I answered it (after a visit to openscad,,,) https://github.com/deadsy/sdfx
solvespace
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Ask HN: What rabbit hole(s) did you dive into recently?
Can second this!
However, I would recommend https://solvespace.com! It hits a sweet spot between features vs complexity/learning effort.
- My favorite code comment/rant
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Why large companies and fast-moving startups are banning merge commits
We use rebase on solvespace, along with sensible squashing so most commits along master are pretty self contained. You can see the clean history here:
https://github.com/solvespace/solvespace/commits/master/
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A one line code change inside iOS made me waste 5 minutes
I changed a behavior to the "more standard" one because it felt obviously right. This was a 3 line change. But the was enough backlash right there in the pull request. So I spent a couple hours remembering how to add a configuration option to keep the old way for those guys:
https://github.com/solvespace/solvespace/pull/1425
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RattleCAD
> If you like Linkage, you might also like Solvespace.
No, I mean Brent Curry's Linkage[1] bicycle design software, not David Rector's Linkage Mechanism Designer and Simulator[2].
You should read Wikipedia article.[0]
N.B. About SolveSpace, as I'm its experienced user[youtube,patreon], I may say next: yes, it could be used for bike mockup, as any other CAD, but it still has a lot of limitations and even does not export correct STEP files yet[3], and in FreeCAD such STEP could fixed only partially.[video]
So, for serious 3D CAD work I highly recommend use FreeCAD (and LibreCAD for 2D CAD work) instead of SolveSpace, and use SolveSpace only as a helper tool like a calc or as a notepad for noting ideas.
About Linkage Mechanism Designer and Simulator, it is only useful for planar (2D) kinematics analyze, and if You are looking an alternative for it take a look on Pyslvs[4], that is in part based on SolveSpace's solver.
[0] https://en.wikipedia.org/wiki/rattleCAD#History
[1] https://bikechecker.com/
[2] https://blog.rectorsquid.com/linkage-mechanism-designer-and-...
[3] https://github.com/solvespace/solvespace/issues/206
[4] https://github.com/KmolYuan/Pyslvs-UI
[video] https://www.youtube.com/watch?v=F3LJMeqUDrU
[youtube] https://www.youtube.com/@appsoft
[patreon] https://patreon.com/app4soft
- SolveSpace has been ported to Qt
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Ask HN: What are some of the most elegant codebases in your favorite language?
C++ this file covers all the math for working with NURBS curves and surfaces:
https://github.com/solvespace/solvespace/blob/master/src/srf...
There is a lot more in other files - triangulation, booleans, creation - but the core math functions are there in very readable form.
- My favorite rant in a code comment (on OpenGL compatibility)
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The Great CPU Stagnation
>> Maybe somebody has statistical survey of how much of the existing deployed CPU core count is typically used?
My guess is very few cores are used on average. I did some testing with Solvespace to see which build options contributed most to performance:
https://github.com/solvespace/solvespace/issues/972
Obviously using OpenMP for multi-core was the big win. But what's not shown is that in typical usage (not the test I ran) if you're dragging some geometry around it will use all cores (in my case 4 cores / 8 threads) at about 50 percent utilization. That percentage probably drops as more cores are thrown at it due to Amdahl's Law. In other words, throwing double the cores at it will give a good boost to a lot of code that is already taking less than half the time (wall clock time, not CPU time).
We added OpenMP to a number of functions for significant performance gains. And in fact, any remining single-thread operation that gets the parallel treatment is likely to have a significant impact on overall performance since that is where most of the time is spent now. At this point we're more focused on features and bugs.
Algorithmic improvements are possible and I'd like to do those in the future, but they are much harder to do than sprinkling some #pragmas around critical loops. That will improve the scalability though, where multithreading really did not.
- Free, mac compatible, relatively easy CAD/CAM software?
What are some alternatives?
sdf - Simple SDF mesh generation in Python
cadquery - A python parametric CAD scripting framework based on OCCT
opencascade-emscripten-port - Open CASCADE - Emscripten / Webassembly port
Autodesk-Fusion-360-for-Linux - This is a project, where I give you a way to use Autodesk Fusion 360 on Linux!
PyMesh - Geometry Processing Library for Python
blender-cad-tools - a collection of Blender addons to make CAD design with Blender even more enjoyable
FreeCAD_assembly3 - Experimental attempt for the next generation assembly workbench for FreeCAD
NURBS-Python - Object-oriented pure Python B-Spline and NURBS library
LibreCAD - LibreCAD is a cross-platform 2D CAD program written in C++17. It can read DXF/DWG files and can write DXF/PDF/SVG files. It supports point/line/circle/ellipse/parabola/spline primitives. The user interface is highly customizable, and has dozens of translations.
psml - Python library for OpenSCAD
DesignSpark-Mechanical-for-Linux