FreeHinge-less Filament joiner splicer fuser tool
Thingiverse
12 model
Free
FreeGame Holder/Stand Less Filament
Thingiverse
FreeMosfet Mount Minimal (Less Filament, Quicker Print)
Thingiverse
FreeFilament holder - screw less
Thingiverse
FreeMasterSpool Remix (less Filament required)
Thingiverse
FreeWanhao Duplicator 6 less jamming parts for flexible filament
Thingiverse
FreeCheap Filament Dryer/Feeder for less than 40 Euro (Customizable)
Thingiverse
FreeOptimised Filament Spool Drawer (Uses ~50% less filament!)
Thingiverse
FreeUniversal Filament Spool Holder -REMIX- Less Hardware
Thingiverse
FreeSnap-on Filament Filter/Oiler (less overhangs)
Thingiverse
FreeEnder 3 open filament guide less wobbly
Thingiverse
FreeHydroponic Tower Plant Basket - remix uses less filament and more space for roots
Thingiverse