4 model

Free

Ender 3 Spool holder sidemount

Thingiverse

Free

Ender 3 Filament Spool Holder Adapter Sidemount v01

Thingiverse

Free

Dial Indicator Gauge Holder Sidemount for X axis bar carriage for Ender 3 (CC-BY)

Thingiverse

Free

Ender 3 Spool holder sidemount (wider)

Thingiverse