Ukulele Friction Peg Tuner

A Ukulele Friction Peg Tuner that uses one 7/64 screw, which spans almost the entire tuner to provide reinforcement.
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updated July 18, 2025

Description

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   My goal for this project was not to make a novelty. It was not to make a junky temporary crutch so you can play your uke while a purchased set comes in the mail. The goal of this project was to make a real, useable set of tuners, fit for real ukuleles.

   I decided on a simple approach with these tuners, a minimalist friction peg design. There are only four printed parts and one screw per tuner.  Optionally, can be printed with no supports!

    Each tuner has one 7/64 inch screw spanning almost the whole length of the tuner to add support. The string hole is positioned at the very top of the peg, above where most of your string will be wound. This allows the screw to reinforce even this area, where most of the strain is, to minimize chances of it shearing off.

   The screw on this must be tightened pretty tight. If your tuner is slipping, the screw should probably be tightened. If the washers are spinning when you twist the tuner, the screw should probably be tightened (or the interfacing surfaces smoothed). If your uke goes out of tune quickly, the screw should probably be tightened. Most problems are fixed by tightening that screw.

   If your strings are new, remember that they will stretch and need to be tuned frequently until they stop losing their tune — this is true for any tuners, on basically any stringed instrument.

Print settings:

90 - 100% infill

Pre-oriented in .stl files. Button can be reoriented  resting on its top to print with no supports, but it will  look  better if printed as oriented with supports. Peg prints fine with no supports for me, but you may want to use some so it doesn't fall over, if that's an issue for you.

PLA, PET/PETG, ABS/ASA, and probably Nylon are all ok. I used PLA.

   Please leave a comment if you have any issues, especially if the button and peg are too tight. If you would like a metric version, just ask. I can probably do that.

   Thanks for looking {:?)|-<

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The author marked this model as their own original creation.

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