Can all be printed at once (as seen in image) This spool holder uses a 17mm (606RS) bearing. Depending on print quality, may need to glue the holders together to stop them falling apart.

606RS Bearing - https://simplybearings.co.uk/shop/product_info.php?products_id=170677&vat_inc=true&gclid=CjwKCAiAwKyNBhBfEiwA_mrUMmproPSI443D2gjBMJcw_Y3OtImCJiVJ-hTlVRQBxwfGJWCJeavzjRoCBtAQAvD_BwE

Creality

Ender 5

Doesn't Matter

No

0.2mm

25%