To recreate the face fillets you removed, you add a Fillet feature before the Shell1 feature. If you add it after the Shell feature, the filleted area is not shelled.
-
In the FeatureManager design tree, place the pointer over the rollback bar below the Shell1 feature.
The pointer changes to a hand:

- Drag the rollback bar above the Shell1 feature.
-
Click Fillet
(Features
tab).
- Select the front face of the base.
The model shows the last radius used, 10mm.

- Under Fillet Parameters, change the Radius
to 5.
-
Click
.
- Drag the rollback bar below the Shell1 feature.