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](Http://Www.Oskitone.Com/Product/Okay-Synth-Diy-Kit). Read More About The Project, Its Design, And Where It'S Headed [Here](Http://Blog.Tommy.Sh/Posts/Okay-Synth). Differences From [Okay 2](Https://Www.Thingiverse.Com/Thing:2760653): Fewer Keys, Keys Mounted To Enclosure Top, Key Plungers, No Audio Out Jack #### 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 .2Mm And [Allows Extra Room To Minimize Errant Stringing Problems](Http://Blog.Tommy.Sh/Posts/Quick-Tip-Changing-Colors-On-3D-Prints), 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

Found 75 3D-models for “piano key” across many websites

Piano with Keyboard and Bench

Musical Hanger

White keys for the Arturis MiniLab

Microbit keyboard (midi-Bit)

YAMAHA KX88 Black Key replacement

Basic Music Keys

OKAY Synth

Isomorphic Keyboard Piano Overlay

OKAY 2 Synth

PC Footswitch with Sustain Pedal

Casio PX-120/ PX-110 Hammer End

Battery Cover for Toy Piano

Piano Sustain Pedal

Fully Parametric Piano Keys

Parts for fixing "YAMAHA P125a" and "PLAYTEC KST-80 keyboard stand".