Filament Spool Bobbin (Parametric)

Filament spool bobbin/reducer, to reduce the hole in the filament spool to the size of the holding rod.

Used with my printer to prevent the spool affecting the print as the filament comes off the spool.

Fully parametric using FreeCad, just enter the required dimensions in the "Variables" spreadsheet.

Made in two parts that fit together.

FreeCad source files included.