When selecting reference for the creation of Fillets and Rounds, you have many choices. Most users simply select the required edges. But a better option is sometimes to select the face which results in the automatic selection of the adjacent edges.
Step 1
In the following example, a solid cube is created and the top four edges are selected for rounds (image below).
Step 2
Additionally, if a feature (such as a CUT) is made and reordered before the Fillet feature, only part of the intended edge is used for the round, as 5th edge is now created.
Step 3
Reorder the Cut above the Fillet feature (image below) and the entire edge is not selected as it is now divided by the Cut feature .
Step 4
The ideal situation is to select the Face (image below) which automatically selects the four adjacent edges.
Step 5
If the same Cut is made and reordered before the Fillet, the additional edge will still be selected to update the Fillet feature (image below).