*Printed* 1 base (with or without filament guide) 3 pulleys to suit the external diameter of your bearings Parts printed in PLA 0.1 mm layers without support Dot 3mf files are print orientation. *Other parts* M3x30 machine screws to attach to the feeder's motor; quantity 2 M5 / M6 button cap machine screws (10mm or longer); quantity 3 625ZZ / 696ZZ ball bearings for pulleys; quantity 3