Swap Instructions (if you do not have AMS):
Start with black PLA Basic | Bambu Lab EU
At layer #6 (1.20mm) swap to Red PLA Basic | Bambu Lab EU
At layer #9 (1.80mm) swap to Pink PLA Basic | Bambu Lab EU
At layer #12 (2.40mm) swap to White PLA Basic | Bambu Lab EU
You can scale up and down but only X and Y. Z axis must remain the same as original