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The motor that pulls in the filament is ridiculously strong on this printer. It has never been unable to feed, even if it had to drag the entire printer or a full filament roll across the table. It has broken filament holders and arms, to the point that I had to modify the current solution with a metal core so that it wouldn't snap apart. I'm feeding from a filament dryer and I had build a crazy contraption that fixes the thing in place so that it's not dragged around by the sheer torque of this motor - and after this mishap, I have clamped the printer down with metal profiles. My worry is that the next time a filament roll gets stuck sideways in the dryer, the printer will tear itself apart or at the very least dislocate the print head (or destroy the plastic housing of the dryer). We'll see.

Either way, I adore this thing. With careful calibration and the properly dried and stored material (mostly that, I have to admit), I've been able to exceed the print quality of printers more than ten times as expensive, make complex functional prints within days of setting the thing up for the first time. It just took two or three times as long per print.