The wonders of 3D printing continue to be made apparent.
Successfully 3D printed a guitar recently and got it set up to standard (E-A-D-G-B-E) tuning. It was printed in six pieces and then epoxied together. The brown parts of the guitar are Sainsmart wood-PLA mixture filament, while the black parts are solid e-Sun PLA.
In my experience, I found that the headstock of the guitar could not handle the tension of the strings with just epoxy. To remedy this, I drilled into the neck and the headstock in an identical spot, then screwed the two parts together with a double-sided bolt.
I'm attempting to make two more of these guitars now. The first edition used nylon strings, while the next two will use phosphor bronze.
Credit to Solstie for designing the schematics. Interested in making your own? Visit his link on Thingiverse: https://www.thingiverse.com/thing:486731