can anybody give me one example of how to merge two walls in creo parametric?

Follow the steps below if it is a sheetmetal part.

  1. Step 1:

    Create the walls as seperate features

  2. Step 2:

    Click Join under the editing group

  3. Step 3:

    Select the 2 surfaces that you want to join/merge. You can click on the arrows to flip the direction of the walls that you want to keep. Complete the feature