Superfly Extruder
A Compact BMG Conversion
The Superfly is a compact extruder designed to reuse the excellent dual drive gears of the beloved BMG extruder. As with the BMG, the Superfly is a dual-drive geared extruder with a 3:1 gear ratio. It is designed with the following characteristics in mind:
compact and lightweight
short filament path
balanced center of gravity
easy to source hardware
support both NEMA 17 and round NEMA 14 motors
easy to print
Please see the project GitHub Page for more detailed information on the Superfly including additional assembly instructions and images
There are only 4 parts that you need to print:
the main housing holds the drive gear assembly and one of the MR85 bearings
the back housing holds the other MR85 bearing and keep the drive gear assembly in the main housing
the tensioner holds the ider gear pressed to the drive gear with the tension from the spring and thumbscrew
the motor spacer is an optional part designed to go between the main housing and the motor to allow you…