I caught my Glowforge singing scales tonight…
…she’s gonna blow!
Stepper motors are great musicians.
Seems like we need a design contest… designs that make something… but also make music along the way. Reminds me of the Floppotron…
im partial to the Tesla coils myself
just something about your speaker being electricity seems badass
The tones of the X /Y steppers would describe a particular geometry…
It was working on this:
It starts high pitched at 12:00, down to low at 3:00, back to high at 6:00, and so on. I recorded from 9 to 12ish.
Is it weird that I could envision a small arc of this shape just by listening? Perhaps I’ve watched my cuts too closely… They’re even more captivating now that I have an inline fan cutting the noise.
I used to have software back in the early AOL days that I could change the pitch only while not changing the speed etc, So I took the sound of a cat purring as example and set it for something larger like a dragon. Here are several I did (can’t upload wav files directly)
MEDIA.zip (292.1 KB) …
Yeah, the hand-me-down fan I got from you has made the music much more noticeable.
There was an article about some researchers that found after characterizing the sounds of a 3D printer they could record the noise of the steppers and recreate the model being printed to some precision. I think that this is harder to do with the newer stepper drivers as they are nearly silent, but it can be interesting to read about.
Now I know why I miss not using my Glowforge after a few days – it’s music to my ears!!!
Kinda like the spy equipment that can recreate a conversation from the vibrations of the windowpane in the room.
Yes, that is a laser microphone. The vibration in the glass pane causes changes in the pulse timing of a reflected pulsed laser. The timing is measured very precisely and then run through a set of filters to create the sounds in the room.
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