solvespace
CAD_Sketcher
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solvespace | CAD_Sketcher | |
---|---|---|
68 | 19 | |
2,999 | 2,466 | |
1.0% | - | |
7.0 | 8.1 | |
7 days ago | 11 days ago | |
C++ | Python | |
GNU General Public License v3.0 only | 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.
solvespace
- 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:
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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:
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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
[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?
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Weird architectures weren’t supported to begin with
Yeah why should we even care about s390 for some things?
https://github.com/solvespace/solvespace/issues/1264
I don't think big commercial customers are designing airplanes with it.
CAD_Sketcher
- CAD Sketcher, free and open-source project bringing CAD like tools to Blender3d
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Loving Solvespace
Source repo: https://github.com/hlorus/CAD_Sketcher
- How would you dimension this part?
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Updates to the Fusion 360 Simulation Workspace
I'm aware, however there have been a couple efforts now to introduce CAD tooling into Blender.
https://github.com/hlorus/CAD_Sketcher
https://github.com/EleotleCram/blender-cad-tools
I'm not suggesting that they are ready for professional use, just that I don't think the Autodesk moat is as deep as some might assume, and that if there was a concerted community effort Blender could accomplish those tasks.
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Reproducing a garden from a plan?
You can use CAD Sketcher to work with precise measurements and constraints within Blender.
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Is anyone able to explain what the heck is happening here? I've made this 3-4 times now, starting with a fresh file with the same results each time.
I'm hearing from "Hlorus" that this is actually a regression of a bug in CAD Sketcher https://github.com/hlorus/CAD_Sketcher/issues/225 Thanks for trying to help guys.
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What are the most distributed, community-driven open-source projects that have been successful?
I haven't tried it out yet but here's the plugin CAD Sketcher for blender, worth checking out https://github.com/hlorus/CAD_Sketcher
- Constraint-based geometry (CAD) sketcher for Blender
- There for sure has to be a file somewhere?
- CAD Sketcher – Constraint-based geometry sketcher for blender
What are some alternatives?
cadquery - A python parametric CAD scripting framework based on OCCT
FreeCAD_assembly3 - Experimental attempt for the next generation assembly workbench for FreeCAD
Autodesk-Fusion-360-for-Linux - This is a project, where I give you a way to use Autodesk Fusion 360 on Linux!
Consent-O-Matic - Browser extension that automatically fills out cookie popups based on your preferences
blender-cad-tools - a collection of Blender addons to make CAD design with Blender even more enjoyable
Blender_ParadoxToolkit - A toolkit to create 3D optical illusion in Blender.
slvs_py - SolveSpace Python binding package source
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.
pymadcad - Simple yet powerful CAD (Computer Aided Design) library, written with Python.
DesignSpark-Mechanical-for-Linux
BlenderGIS - Blender addons to make the bridge between Blender and geographic data