These files were tested with following spools:

• Smartmaterials - ABS, PETG, PLA 750g (needs 15mm spacer)
• Innovatefil - PET-CF, PA-CF 500g (needs 15mm spacer)
• Sakata - PLA 1Kg
• Winkle - PLA 1Kg
• Filoalfa - Filapro 700g (needs 15mm spacer)
• A3D Prints - PLA 1Kg
• Básico de Control3D - PLA 1Kg
• Filavip - PLA, PETG 750g (needs 15mm spacer)

15mm spacer is the official one from Pooch.

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Cap and ring will fit these spools, but rewinder needs to be 16mm wider (core part and stand spacer need to be modified).

• 3DJake - PETG 1Kg (needs 16mm longer core)
• Amazon Basics - ABS 1Kg (needs 16mm longer core)