To use the spool more, I removed the middle parts and supported it with support pieces on the sides. I used 8 of them for each spool. If you want to print eight of them simultaneously, you should use Raft. If you've enjoyed my work and would like to buy me a coffee to support my creative efforts, you can do so through the link below. Your generosity is greatly appreciated! Buy Me a Coffee: https://www.buymeacoffee.com/ahmetutkuozkan