How to delete an existing feature from a nested parametric model?
Features in solid modelling are referred as Cut, Union etc. Any modification operation that is done on a solid element gets listed in the MS properties dialog .
Step 1: Navigate to the feature that you want to delete and select that portion. In the attached image i have selected the extruded solid.
Step 2: Then Open the Properties dialog. and it will indicate the extruded solid and its respective properties.
Step 3: Navigate to the parent feature of the selected feature, here it will be the Difference #21.
Step 4: Right click on the parent feature and then chose delete & feature
Step 4: Once the delete operation done, you will notice that feature is no more available in the element and a solid block is present in that same place. Select that solid block and the delete it. The whole element would be properly shown.