I think it could. Some fine tuning of the blade spacing would be required, and not all of it would be one size. You would wind up with some small bits, as he shows in the video, that’s why you’d want reducing screens. I don’t know how crucial it is for an extruder for all material to be same size however. I’m assuming it’s for an even melt at the nozzle without any clogs, and without having to maintain a large hot section.
As far as torque, with sharper blades the torque would be reduced, requiring a less robust motor, but you would want slower rotation, luckily this is easy.
It’s just a matter of figuring out the ratio
