3mm Direct Extruder Prusa i3
thingiverse
It's possible to use a direct extruder with a 3mm filament. For this setup, I utilized a Nema 17 Stepper motor, Kysan 42BYGH4803. Be cautious of the pololu driver current limit, which is set at 0.7 times the rated current for safety. If you encounter missed steps, incrementally increase the drive. The required components include: - Stepper motor: Nema 17 Kysan 42BYGH4803 - Bearing: 608ZZ - Drive gear: MK7-compatible, 5MM shaft - Spring: Outer diameter - 10mm, Inner diameter - 8mm, Coils - 9, Length - 25mm - Bolt: 4x M3x20
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