Why?
Why not.
For the very brave, or very foolish.
The longest possible print on a printer with MMU - the ultimate torture test. It has a custom cutout for the default MMU purge block to fit inside.
At 0.2mm layer height it takes 4380 tool changes and around 4.5 days.
(Interestingly, this would only take 1.5 days on the Prusa XL toolchanger.)
The author marked this model as their own original creation.