Filament Spool Holder - Bearings and custom width for FLsun QQ - 6mm bearings

Remixed a little the original design as bearings I used (I think this kind of bearing, being grooved, has a better stability) have a thinner diameter. Holed the bearing supports and pushed in steel metal pieces.

I bought those bearing overdose Amazon.it (here is the link: https://www.amazon.it/dp/B06XJTHP7Y/ref=cm_sw_r_cp_apip_QCMjIOYv1yygT) but you can find them easily on other stores.

Had to print the big screw with 4 custom supports around it (in the shape of a cross, 40 degrees) as th