Mendel90
void_switch
Mendel90 | void_switch | |
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4 | 26 | |
261 | 669 | |
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1.8 | 0.0 | |
almost 2 years ago | over 1 year ago | |
OpenSCAD | OpenSCAD | |
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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.
void_switch
- Svalboard Alpha #4 -- headed to Chicago today!
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Flux Keyboard
As far as I know the "other times this has been tried" all have had individual displays (and controllers) in each key. The difference being that here there is just one panel under the whole board with most of the parts above the display being transparent. This approach should be far less complicated to build, more robust and cheaper.
Honestly, I don't think I need an LCD in my keyboard but I'd quite like to have a go on some mAgLeV hall effect switches! On that note, if you like magnets and/or keebs you might be interested in Void switches[0] -- 3D printable hall effect switches
[0] https://github.com/riskable/void_switch
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Show HN: An analog keyboard with 3D printed switches
I made a 3D printed keyboard with 3D printed switches + stabilizers and sent it to Chyrosran22 for review.
Longer story: Chyros suggested about 5 months ago that I make an "ultra bright" RGB LED keyboard that used my 3D printable Void Switch design (https://github.com/riskable/void_switch) so he could do a fun "RGB" video. I designed the PCB, the case, the top plate, switches, stabilizers, rotary encoders, etc from scratch and the keyboard in the video is the result.
The keyboard hardware was actually done within the first 3 months but I needed some extra time to add lighting effects to the firmware to meet the "fancy RGB" requirement :)
It's actually my 2nd normal-size analog keyboard design. The first being my Riskeyboard 70 which used a MAX7219 LED matrix display and regular (non-XL) ws2812b RGB LEDs: https://gfycat.com/firsthanduniformeasteuropeanshepherd
Not shown in his video: The top plates have no electronics in them which means they're completely waterproof and can be washed in a sink with soap & water: https://gfycat.com/unconsciousvigilantkinglet . Also, the incremental rotary encoder and absolute rotary encoder (aka "the selection knob") are analog as well (using a custom design).
The keycaps were 3D printed as well and designed using my Keycap Playground: https://github.com/riskable/keycap_playground
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The pool of talented C++ developers is running dry
Haha... So I can use my awesome contactless magnetic separation+levitation 3D printable Void Switch design of course:
https://github.com/riskable/void_switch
...and so I can do this:
https://gfycat.com/costlyglaringhyracotherium
..and this:
https://gfycat.com/unconsciousvigilantkinglet
You can clean it in the sink with soap and water because there's no electrical contacts or components in the switches.
... But that's really just scratching the surface of what it can do.
- I'd like to create a 3d printed switch, mainly to see what UV resin sounds and feels like. I've searched high and low for files of such a thing, but no joy. Can anyone help?
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Has anyone tried making a tiny, ergonomic piano "keyboard"?
Answering myself: the void switches by riskable can be used as analogic switches. It's an open source project: https://github.com/riskable/void_switch
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Two state switch?
If you wanted to try to do something DIY you could build something with riskable's void switch and adapt his firmware to do this. Since hall effect sensors are analogue, you program the set and reset point and can set multiple. Although, I do wonder how easy it is to reliably use this feature, but that's the fun in experimentation.
- Some things I’m working on and didn’t have an appropriate place to post for! (Not quite there yet) Floating joystick
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Physical buttons clearly outperform touchscreens in new cars, test finds
> "Instead of developing, manufacturing and keeping physical buttons in stock for years to come, car manufacturers are keen on integrating more functions into a digital screen which can be updated over time."
That's lame. 3D printing buttons is a very quick and simple solution to that problem. They can even use my lasts-forever, contactless analog hall effect Void Switch design: https://github.com/riskable/void_switch
Keeping buttons--something that's so quick and easy to 3D print--in stock seems like a huge waste of storage space.
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Analogue pushbuttons?
Maybe these?