Dual Drive Extruder reduction ratio 4:1

This is my Dual Drive Extruder project with reduction ratio 4:1


Hi guys, this is my version of dual drive extruder with 4: 1 reduction ratio, this design although it uses gear motor pinion and Bondtech filament traction gear, it is not a copy of BMG Bondtech but it is a redesigned project from scratch with the intent to improve, thanks to a higher reduction ratio, the precision of extrusion and at the same time lighten up a little more the effort of small stepper motor (Pancake).
This extr