Make of https://www.printables.com/model/584189-clean-bowden-y-splitter/files
A Y Splitter that looks native to the printer, use
https://au.store.bambulab.com/collections/pla/products/pla-sparkle or
https://au.store.bambulab.com/products/pla-basic-filament?variant=43466347348131
For good looks.