SMS Baden was a Bayern-class dreadnought battleship of the German Imperial Navy built during World War I. Launched in October 1915 and completed in March 1917, she was the last battleship completed for use in the war.
 

If you like to scale, do it only with x and y axis, do not change z axis!
 

Print at 100% infill with a layer height of 0.08mm and a base layer of 0.16mm
Wallgenerator is set to “Classic” for better results slice with "Arachne"
You can use a 0.2mm noozle, just leave all other settings as they are.

Filaments Used:
PETG BambuLab Basic Black Transmission Distance: 0.3
PETG BambuLab Basic Blue Transmission Distance: 2.5
PETG BambuLab Basic Lake Blue Transmission Distance: 4
PETG BambuLab Basic Nature Transmission Distance: 8
 

Swap Instructions: if you don't have ams just put pause on specified layers and swap filament manually
Start with Black
At layer #13 (1.12mm) swap to Blue
At layer #15 (1.28mm) swap to Lake Blue
At layer #17 (1.44mm) swap to Nature for the rest.

If you wanna use PLA:
PLA BambuLab Basic Black Transmission Distance: 0.6
PLA BambuLab Matte Marine Blue Transmission Distance: 2.0 
PLA BambuLab Basic Blue Transmission Distance: 4.0
PLA BambuLab Basic Beige Transmission Distance: 8.0

Just leave all other settings as they are.

I wish you always a clean nozzle!