Musical Riddle

General discussion of 3D printers

Musical Riddle

Postby blah_59 » Sat Aug 03, 2013 4:37 pm

Ok, to start: there is no "problem" to solve this time. Everything is working fine so, while waiting for a long print, I thought I would post something I've been curious about for a while and thought one of you geniuses would have the answer.

Watch the following video clip and then tell me if you know what causes the "sing-song / old school midi audio clip" sounds that come out of my printer:

https://www.dropbox.com/s/23h3je9i4xmjbln/20130803_121538.mp4

I'm pretty sure it's not the "buzzer" on the Azteeg X3, it would need G-code scattered throughout the print to make tones at different frequencies so my guess is that it's the changing acceleration of the X and Y stepper motors? Anyway, I'm sure one of you will have a more definite and scientific explanation... :)
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Re: Musical Riddle

Postby orcinus » Sat Aug 03, 2013 6:19 pm

It's your steppers.
Steppers are pretty musical beings.



Bonus track:
http://vimeo.com/1109226
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Re: Musical Riddle

Postby blah_59 » Sat Aug 03, 2013 7:02 pm

That's hilarious, thanks!
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Re: Musical Riddle

Postby kongorilla » Sat Aug 10, 2013 5:24 am

Play the Imperial March yourself:
http://www.thingiverse.com/thing:70352

It sounds great on my Hadron, especially if I remove the vibration dampening feet I added to my machine. My cheap Ikea tabletop is very resonant.
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Re: Musical Riddle

Postby TLHarrell » Mon Aug 12, 2013 6:19 pm

I actually wired up 7 floppy drives to play MIDI music files through using an Arduino and Moppy. It's tons of fun.
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