Have us print this for you
PLA from £6 inc. UK delivery on letter-sized prints. We slice, print on a calibrated Creality K2 / Bambu A1, QC and post.
The [TuneFast Harp](http://makefastworkshop.com/hacks/?p=20171213) is a 3D printed musical instrument that uses a single-string to create an 8-note diatonic harp.
The total cost with all hardware is under **$7 per harp** and only takes around **3 hours to print**.
Hear what it sounds like with a **metal string** https://youtu.be/fx9zlmGFXBQ and with a **nylon string** https://youtu.be/yGjTQOmBWsM.
**UPDATE:** A **new version** of the harp (*AHarp22_v04.stl*, shown below with blue PLA) has been modified from the original to include a **parabolic sound reflector** (focusing the sound 8-10cm away from the string) and a clipped corner (to reduce total material used). Files are also included to print your own M3 washers and the final M3 spacer to reduce the parts list a bit.
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We designed the harp to be easy to assemble and fairly quick to print so that even young makers with shared resources could try it out as makerspace/classroom projects.
### Parts List
You’ll need a handful of parts to complete this project. Everything is reasonably inexpensive, but many of the parts come in larger packs so you may want to plan to make a few and scale your quantities accordingly.
**Here’s what you’ll need for each harp:**
* 1 x [Right-handed Guitar Tuner](http://amzn.to/2EUThjA) ($1.25/each,…
