Worm-Rolled Parts
Remember when we were kids
and played with modeling clay or Play-Doh.
You could make narrow worms by rolling the worms under your
fingers.
I have been experimenting
with doing the same with paper. When wet
(and gluey), paper has some of the same plasticity as modeling clay and
play-doh. Why not roll worms made out of
paper to make solid, very narrow cylinders?
I think it works great for bitt-posts and similar structures.
For the Krakus, I used this
technique for the following parts:

The bit-posts and the rudder
shaft parts were cut out from thin (1/10mm) paper:
(Shown in scale; click to see actual sheet with 4-times
resolution.)
After cutting out the parts, I
wet them, smeared glue on the inside and rolled them up as tightly as I could.
Then (while still wet) I used the worm rolling technique to narrow the worms
down to 1 mm. Here is one of the
bitt-post worms being rolled:

After the worms were completely dry, I cut the bitt-posts to length and cut the rudder shaft to fit. I then touched up the cut ends with watercolors. I needed more strength for the rudder shaft, so I soaked it in cyanoacrylate glue.
The swabbing crewman's mop
handle was worm-rolled from a tiny, wet sliver of paper. After it dried, I stained it with a brown
felt-tip-marker and cut it to fit.