inverted bulldog extruder with mk8 drive gear with filament guide

thingiverse

I really liked the bulldog extruder design but it causes filament buckling on my setup. So I decided to redesign it as an inverted bulldog extruder. The new design is tailored for the MK8 extruder gear, which is used in the Airtripper drive gear benchmark. The filament is carefully guided all the way through the extruder block, ensuring that no buckling occurs. A 608 bearing is strategically placed ahead of the drive gear to gently push the filament towards the drive gear. Additionally, there should be a 3mm gap between the motor and the main block to accommodate M3x16 screws. In my setup, I've found it helpful to use a 3mm thickness steel plate between the main block and the stepper. I hope you'll find this design appealing. Print Settings: Printer: muhabb3d Rafts: Doesn't Matter Supports: Yes Resolution: 0.2 Infill: 30%