Mendel90
skidl
Mendel90 | skidl | |
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4 | 12 | |
261 | 975 | |
- | - | |
1.8 | 6.5 | |
almost 2 years ago | 7 days ago | |
OpenSCAD | Jupyter Notebook | |
- | MIT License |
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Mendel90
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Show HN: Atopile – Design circuit boards with code
Old issue, but annoying nonetheless. Less of a problem when outputting STL files (for printing) which only support polylines and not arcs/circles. Funnily enough, 3D printers nowadays support arcs natively in G-code, so some slicers support detecting rounded polylines and converting them back into circles or arcs.
Found a script[0] that does this for DXFs in a github issue[1].
[0]: https://github.com/nophead/Mendel90/blob/master/dxf.py
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Darwin cartesian robot bom needed
But the darwin was a pretty terrible design, why not Mendel90 or something?
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Still needs more work and some tidying up (and install the hot end) but my Mendel90 was moving today. Ran a 45min gcode with no issues. Only issue so far - Bed is not getting hot enough. Maxed out at 65c. Either wiring too small or not enough voltage. Thinking about modding RAMPS and using 24v
For anyone interested in details, I suggest taking a look at the github repository https://github.com/nophead/Mendel90/
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New to OpenScad: how to draw shapes?
I think one of the most amazing expressions I've seen of this so far is Nophead's Mendel90 - a 3D printer design that's fully parametric, to the point where you can not only select basically any size you want and get all the manufacturing files out, but even change everything from the whole style of the printer to what bolts you want to use, and then generate exploded diagrams of each sub-component.
skidl
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Show HN: Atopile – Design circuit boards with code
Great question! We hope we have a few good reasons.
This iteration of the project actually came after first working with and then modifying another awesome project called SKiDL (https://github.com/devbisme/skidl).
It's based on Python - but we found that because since it's procedural, turing complete and has a rich eco-system - people use to that and there aren't standard composable ways of designing things. Instead of describing your board, you (practically) write a script that generates your board. It entangles your targets with your source-code and can make it difficult to understand the ultimate outcome of what you've written.
Additionally, since it's a potentially very long program, it was hard to write good language support around (a language server for VSCode, a schematic visualiser etc...) that were snappy, responsive and lent to examining modules as well as the whole program.
There's a few operators and first-class language features we wanted as well, like units and tolerances (3.3V +/- 100mV) that just aren't the same when embedded in a string, or class init method.
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Text only PCB CAD tools?
there is skidl for schematics, but yeah shit was hand drawn before GUIs.
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What needs to happen for ChatGPT to start generating visual answers like electrical schematics?
Further, there are many python libraries etc which can be used to design electrical circuits using code: https://github.com/devbisme/skidl
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The tooling ecosystem that adds joy to KiCad
I'd like to see documentation on your workflow. You can also post it on https://github.com/devbisme/skidl/discussions.
There is a generate_pcb() function in SKiDL that will output a kicad_pcb file that can be directly opened using PCBNEW (no need to generate the intermediate netlist file). That function uses HierPlace to group the parts based on their hierarchical organization. That would be a good place to inject some autoplacement if you get it figured out.
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Wiring Tool
If others are interested in this and wireviz they might also like to know about https://github.com/devbisme/skidl. Used to make schematic specification in python.
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Python & EE
Kinda off topic, but there's this project called skidl https://github.com/devbisme/skidl allowing you to create electrical schematics using Python. It seems to council your two interests, maybe for a fun side showoff project.
- Using DXFs to create PCBs?
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Help Us Create Automated PCB Software!
Take a look at this SKiDL discussion forums on GitHub: https://github.com/xesscorp/skidl/discussions/129
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What I wish I knew before building a Shopify App
SKiDL (circuit design library) does this to a very large extent...
https://github.com/xesscorp/skidl
- Spice simulation of SKiDL,alt to KiCAD
What are some alternatives?
snappy-reprap - The world's most 3D printable 3D printer. (Guinness Book of World Records 2017 & 2018)
pcbflow - Python based Printed Circuit Board (PCB) layout and design package based on CuFlow.
openscad-arc - lib to draw arcs easily
kicad-action-scripts - Some KiCad plugins in Python
NopSCADlib - Library of parts modelled in OpenSCAD and a framework for making projects
SparkFun-KiCad-Libraries - SparkFun's KiCad Libraries
dotSCAD - Reduce the burden of mathematics when playing OpenSCAD
kicad-jlcpcb-tools - Plugin to generate BOM + CPL files for JLCPCB, assigning LCSC part numbers directly from the plugin, query the JLCPCB parts database, lookup datasheets and much more.
BOSL2 - The Belfry OpenScad Library, v2.0. An OpenSCAD library of shapes, masks, and manipulators to make working with OpenSCAD easier. BETA
kicad_footprints - A collection of all the KiCad footprints on the internet
void_switch - 3D printable magnetic separation contactless key switch and stabilizers (OpenSCAD files)
RF-tools-KiCAD - KiCAD RF tools: footprints wizard and round tracks, mask expander, via fencing