ABACOM - ELECTRONIC SOFTWARE

I need to make some plated through slots, can't figure it out. Running Sprint-Layout 6.0.

Thank You!

Hope this gets you started. "Plating" is a manufacture process. Please discuss with your manufacturer.
viewtopic.php?f=72&t=1443
For example, see
https://www.eurocircuits.com/blog/slots-and-cut-outs/