FreeEnder3 V3 SE spool holder frame, balancing weight to the center
Thingiverse
7 model
Free
FreeAdditional weight for filament spool in the AMS
Thingiverse
FreeChubby the Ant weight Bot
Thingiverse
FreeEasy Z - A weight reducing system for the X gantry on Ender 3 printers
Thingiverse
FreeBalance, indicates the remaining weight of filament in the 3D printer
Thingiverse
FreeBLINK MINI Simple Stand (with weight in the base)
Thingiverse
FreeMinimalistic Spoolholder for Load Cell to measure the weight.
Thingiverse