The file 'Ender 3 – Filament Holder For Original Nut 3D Printer Model' is (stl) file type, size is 32.6KB.
Remixed mounting bracket to support original nut. All other part as in original.
You can modify it via: https://www.tinkercad.com/things/ePElcbbTZVm-ender-3-filament-holder-original-fastening