I’ve deeply enjoyed playing it since it became “finished enough” to be playable in August of 2022. I don’t plan on any more improvements for this particular ukulele. ![]() 1 One of my ideas for this part involved using bolts that were possible slightly longer or of different lengths so they would both tighten slightly into the same captive nut, resulting in one “continuous” piece of metal for the turn around core, then using washers to ensure / assist in minor distance adjustments. However, even printing the turn around with the best orientation for printing strength in PLA didn’t result in a part that could withstand these forces for a long time. As long as the material between the two bolt ends is strong enough to withstand the continued forces of four strings under tension, there shouldn’t be a problem. This ends up being dramatically easier and cheaper than trying to source very long Chicago bolts and posts – but has a minor downside in that the two bolts don’t actually connect. The design of my turn around uses captive nuts in the plastic core, secured by bolts on either side. If they were printed out of a more rigid material, milled or turned from solid metal, created by using a system of washers, or made using a full length bolt, I’m sure it would have worked better. These simple elements have, hands down, beat the over engineered / over designed pieces above. In the end, the best result for my ukulele has been a 3D printed turn around, finely sanded smooth, unadorned by paint, with a small amount of lubricant (I’ve used machine oil) over the metal bridge and across the turn around. Thanks for reading! Posted in Ukulele | Tagged diy ukulele, travel ukulele, ukulele Building a Travel Ukulele: Back to Basics
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