which tool would be best to make this round edge?\nchamfer\ndraft\nrib\nfillet

which tool would be best to make this round edge?\nchamfer\ndraft\nrib\nfillet
Answer
Brief Explanations:
A fillet is used to create a rounded edge. A chamfer creates a beveled edge, a draft is for ease - of - removal in manufacturing, and a rib is for structural reinforcement.
Answer:
fillet