I will share two, I created both, nit an ego thing, just two techniques many are not aware they can achieve.
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Pride Coaster (model me, profile me)
It uses a single 4-colour AMS to generate all the colours you see and you do not swap any out during printing. It uses layer heights and translucency to create blended colours.
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Teddy Bear (profile me, model someone else)
This uses a technique I figured out when I first got my A1 mini. I use this as an example to those who ask can you use more than 4 colours from an AMS in a single model. By using careful colour selection and swapping out spools during prints, it is possible.
The designer of the model had the bear coloured with more than 4 colours, but, didn’t prove a solution, so I did.
It is achieved by making sure no single layer has more than four colours and then ‘painting’ the model using the starting colours intelligently, but, swapping the filaments out for alternatives as planned.
This model has red painted eyes, for convenience I added a PAUSE after the red bow tie has printed so you can swap the red spool for white which the printer still thinks is red and uses the white for the eyes.
The PAUSE isn’t required, it simply means you don’t forget to swap the spools before it is too late.
This process can easily be extended to have a 60 or more colour model with a single four colour AMS, provided no single layer has more than four colours.