A PCB has been laid out with track widths according to a set of design rules by net class.

I have modified the net class design rules (SetupDesign Rules...Net Class Editor) and now I wish to update the tracks on the PCB to reflect their new values. How do I do that?


1 Answer 1


In Kicad 5, this can be done with the EditEdit All Tracks and Vias... dialog.

v5.0.0-rc2 Edit All Tracks and Vias dialog

Choose Set all tracks and vias to their netclass values and click OK.

From this dialog, you can also set to the net class values on a per-net basis, and you can update only the track width, or only the via size.

  • \$\begingroup\$ This sort-of works: It doesn't work for tracks and vias that cannot expand if they are in between two components that are close together. \$\endgroup\$
    – jungledev
    Mar 4, 2019 at 18:21

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