Ukulele bridge, nut and saddle

I'm building what will likely turn out to be the ugliest cigar box ukulele ever, and found I didn't have any wood hard enough to do the job for the bridge, and the nut I had carved, too, looked a bit too fragile. Hopefully these will do the job.

I've printed this and the parts seem to work. The "instrument" (I use the word loosely) I built is a soprano ukulele, you may want to tweak some things if you build a different size. You may need to tweak some stuff anyway, the height of the saddle an