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Right, is the same wide than the 1 Kg spools. I would expect the same hub to work fine: at least is does with the universal adapter at https://www.thingiverse.com/thing:3369189 . It might ventually need more than 90 g weight to turn but that is easier with just a larger bolt.

Btw: I mirrored the stand and the track in order to get two stands together and with the fillament exits as closer as possible. It works fine and allows a better distribution in the dry box.

Large stand for 3 kg spools on Universal Auto-Rewind Spool Holder