This is a clip for a 0.5 W speaker sold by Adafruit. After printing, attach with a screw and install the speaker.

Speaker Used [1890]: https://www.amazon.com/Mini-Metal-Speaker-Wires-0-5W/dp/B00N4YSRRC/ref=as\_li\_ss\_tl?keywords=adafruit+1890&qid=1559154991&s=gateway&sr=8-4&linkCode=sl1&tag=westabyent-20&linkId=85f5f3280491ffa03f8c28ca942977d7&language=en\_US
Screw used [#4-40]: https://www.fastenal.com/products/details/1128643

I use this speaker clip in my EMF Reader builds, but you can use the scad file to modify for other projects that need a speaker holder.

Supernatural EMF Reader Build: https://youtu.be/xNLr6XWCS7A?t=1615