This hue forge uses 5 strands, but is easily printable with a single AMS, just swap any of the initial colors for the final white to avoid having to interrupt the process.
You can use red or matte red, with the matte version it will be a less contrasted tone, but the result is equally spectacular.

Print at 100% infill with a layer height of 0.08mm with a base layer of 0.16mm

Filaments Used:
PLA BambuLab Basic Black Transmission Distance: 0.6
PLA BambuLab Basic Blue Transmission Distance: 4
PLA BambuLab Matte Scarlet Red Transmission Distance: 2
PLA BambuLab Basic Yellow Transmission Distance: 6
PLA BambuLab Basic Jade White Transmission Distance: 5

Swap Instructions:
Start with Black
At layer #8 (0.72mm) swap to Blue
At layer #12 (1.04mm) swap to Scarlet Red
At layer #16 (1.36mm) swap to Yellow
At layer #18 (1.52mm) swap to Jade White for the rest.

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Este hue forge utiliza 5 filamentos, pero es fácilmente imprimible con un solo AMS, basta intercambiar cualquiera de los colores iniciales por el blanco final para no tener que interrumpir el proceso.
Se puede utilizar rojo o rojo mate, con la versión mate quedará un tono menos contrastado, pero el resultado es igualmente espectacular.