TuneFast Harp 3D printable model by makefast

TuneFast Harp

Source: Thingiverse by makefast

The TuneFast Harp is a free printable 3D model from Thingiverse by makefast. The TuneFast Harp is a 3D printed musical instrument that uses a single-string to create an 8-note diatonic harp. You can download the STL file from the original listing below and print it at home.

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83 saves Source: Thingiverse Updated 2026-05-02

Tags: TuneFast, Harp

About this model

The TuneFast Harp 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 and with a nylon string 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. !updated TuneFast Harp with sound reflector and clipped corner -- We designed the harp to be easy to assemble and fairly quick to print so that even young ma…

Frequently asked questions

Is this 3D model free to download?
Yes. TuneFast Harp is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by makefast.
Who made this model?
Designed by makefast, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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