For mounting this spool holder, you will need some bearings you can obtain from ald ender 3 rolers, other printers can also have the same bearings, if you need new rollers, you can buy them here https://s.click.aliexpress.com/e/_DFyTtXD (affiliate)

You will also need 2 steel rods 5mm in diameter, I scraped them off an old printer but you can also buy them here: https://s.click.aliexpress.com/e/_DBtfJ1r (affiliate)

It doesn't need support or any special print settings