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Found four spool reworked 3d models.

free
thingiverse
Filament Spool Holder
free
thingiverse
P6*6 120 Pinhole Camera
free
thingiverse
Over the top Spoolholder for MM2 (Reworked)
free
3dwarehouse
1JZ-GTE engine (requires Sketchyphisics 3.2)