String retainer for drones and trompettes on the Nerdy Gurdy 6.3 and similar models. There's a drill guide included and also a backing plate if you feel the need, it should be fine without that though. The same drill guide is used for both sides

You'll probably need to re-drill the string holes in the retainer blocks after printing to closer match your strings. Note that they are at a 5 degree angle, but the drill should want to follow the existing hole included in the print.

Print these with tree supports so the recessed areas for the screws come out a little nicer. There is an extra dot on the bottom face of each string retainer, that dot is for orientation only. The dot is on the bottom side, and should be closest to the shaft when installed.