The corner is laying down. The would be no supports in either case, and the fillet avoids hard turns while the chamfer still has two (less sharp) angles.
Like 99% of things in 3D printing, “Xs are to be preferred over Ys” is an entirely circumstantial statement that is never going to be true all of the time.
“Preferred” doesn’t mean “all the time”. But chamfers are easier to get nicer results with the majority of the time because they are easier for the printer to make.
The corner is laying down. The would be no supports in either case, and the fillet avoids hard turns while the chamfer still has two (less sharp) angles.
Like 99% of things in 3D printing, “Xs are to be preferred over Ys” is an entirely circumstantial statement that is never going to be true all of the time.
“Preferred” doesn’t mean “all the time”. But chamfers are easier to get nicer results with the majority of the time because they are easier for the printer to make.