CR-10 Filament Spool Holder

I've made a new version of the spool support. https://www.thingiverse.com/thing:3492670

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I've modified this spool support https://www.thingiverse.com/thing:2432049, adding a knurled part at the nut for easily tight on large spool or with large hole. I've also made a thickening to the top of the bolt, and reduced the space of the front hole of the bolt to make it moves