Removing Small Studs

To help you choose between similar geometric features, design filters allow you to combine multiple predicates in the search. Here, you use multiple predicates in order to identify and remove small studs on the box cover.

  1. Before creating the new design filter, do the following:
    1. In the 3D-CAD View scene, right-click and select Restore > Hidden Bodies.
    2. In the toolbar at the top of the 3D-CAD View scene, change Color Mode to (Gray Color).
Create a new design filter.
  1. In the Filter panel, select the following options in the Input box:
    1. Set Selection Mode to (Selected Entities).
    2. Set Object Type to (Bodies).
    3. Beneath the Object Type buttons, click (Open Selector for Input).
    4. In the Input dialog, select Body Groups > Body Group 1 > boxCover, then click (Close Selector for Input).
    5. Using the color selector, change the object color to Red.


    6. Set Input Type to (Bodies).
  2. In the Search Criteria group box, create two predicates:
    1. For the first predicate, choose Shape + Face + is + Cylindrical and click (Commit Changes).
    2. Hover to the right of the first predicate and click (Add a new item (Insert)).
    3. Choose Area + Face + below + 0.0001.


    4. Click (Commit Changes).
    5. Click Search.
    6. In the Results group box, click Show All.
    The faces that match the queries and inputs are selected. In total 1680 faces are found by the search tool. You can assign different colors to view the results.

  3. In the Results group box, make sure that Create is set to Filter, then click OK.
  4. In the 3D-CAD panel, rename the design filter node to Stud Removal.
  5. To remove the studs on the box cover part:
    1. Select the Stud Removal filter.
    2. While pressing <CTRL>, in the graphics window, right-click one of the selected faces and select 1680 Faces > Repair Tools > Defeature Faces. In the Defeature panel, click OK.
      Defeaturing removes all the studs and results in a smooth box cover.