If you have AMS just use one of the provided print profile
You can resize X and Y axis, but Z must remain unchanged
Swap Instructions (if you do not have AMS):
Start with black PLA Basic | Bambu Lab EU
At layer #11 (1.00mm) swap to Gray PLA Basic Filament with spool / 1kg / Black (10101) | Bambu Lab EU
At layer #27 (2.28mm) swap to Orange PLA Basic Filament with spool / 1kg / Black (10101) | Bambu Lab EU
At layer #34 (2.84mm) swap to White for the rest PLA Basic Filament with spool / 1kg / Black (10101) | Bambu Lab EU