Tuner Turner
cults3d
If you prefer to play your guitar on a nice new set of strings like I do then having a good quality 3D printed tuner turner is worth a few pennies of filament. Use this tuner with an electric screw driver or a screw gun set to low speed. You'll need to acquire a hexagonal shaped metal screw gun tip and bang it in to the hole; I made it a nice tight fit. You probably have a few in there rusting away in the bottom of your toolbox. Obviously this "thing" will tune a variety of stringed instruments, not just guitar. But if you play a 12 string . . . well what more can I say? PS: Makes a nice gift.
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