This model if fully printable and also it can be printed in color without AMS module you just need to printed and in the pause that has at the middle change the filament.

ATTENTION: So it works 50% of the times its not reliable at all, I'm working on making it more reliable.
Assembly instructions: put the small halves with the halves that have the blade the should be a click noise and the put the two parts in an ex position and the add the two little bolts that also should click.