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OKAY Synth

by oskitone, published

OKAY Synth by oskitone Sep 28, 2017
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Thing Statistics

815Views 165Downloads Found in Music

Summary

https://vimeo.com/235418217

Oh, nothing fancy, just an analog square wave synthesizer...

That's OKAY!

  • Monophonic: Only one note at a time can be played. This is opposed to “polyphonic,” where multiple simultaneous notes can be played.
  • Analog: There are no computers, microcontrollers, sound samplers, or anything digital involved. The sound you hear is the sound of a speaker being abused by discrete electronic components like capacitors and resistors and logic chips.
  • Square-wave: When its output is viewed on an oscilloscope, its wave resembles a square. It’s a “hard” sounding wave type, great for bass lines, and commonly associated with chiptune music and old video games.

These are the 3D models for the OKAY DIY Kit. Read more about the project, its design, and where it's headed here.

Printing instructions

Slicing

I print everything at .2mm layer height by default.

To get multiple colors, insert color change GCODE at the recommended color change depth. (Assumes .22mm and allows extra room to minimize errant stringing problems, but you should verify in your slicing software before sending to printer.)

Part Supports Infill Color change depth
Bottom Build plate only    Normal (20%) n/a
Top No Normal (20%)    n/a
Hinge parts No Normal (20%) n/a
OKAY text hold-in No Normal (20%) n/a
Keys No Light (5%) 12.8
Key plungers No Normal (20%) n/a
Speaker No Normal (20%) 5.4
Labels No Normal (20%) 6.4
OKAY text    No Light (5%) 9.8
Knobs No Normal (20%) 18.4


Assembly
  • Clean up strings
    • Cut or melt away any stringing. Be careful not to scratch dark filament underneath text embossing
  • Enclosure bottom
    • Break built-in bridge supports from each PCB post with a small screwdriver or other stabby object
  • Knobs
    • Cut built-in bridge support from bottom to expose shaft cavity
    • One knob has a hole in its side. This is a cavity for the brass threaded insert, which you’ll lock into place by inserting with a hot soldering iron

Final assembly information is available at http://blog.tommy.sh/posts/okay-synth and http://www.oskitone.com/guides

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Wow! Really nice work. Aside from the synth, the labeling is really interesting, with the color changes. It's always a challenge, making nice labeling for controls, on diy music boxes, this is cool, because it is part of the print.

Hey, thanks!

Yeah, the labels are interesting, huh? It's definitely more novel than practical, which is maybe why I haven't seen that filament change technique used a lot for small models. The alternatives would be paint or stickers or something, which wouldn't be bad but makes it harder to say "You can 3D print this!"

Anyway, stay tuned. Lots more planned.

This looks really cool. Do you have any videos of it in action?

Yep, thanks for the nudge. I just updated the description to embed the demo video.

OMG 150$ for this.......................................................................................................................................

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