About this 3D model
Tomie by Junji Ito in Hueforge. Only 4 color swaps so you can do this with 1 AMS. Set initial layer height to 0.16mm and then regular layer height to 0.08mm. Input filament swaps at the layers indicated below. Black until layer #7 Dark Grey until layer #12 Light Grey until layer #18 White for the rest.