To create a new PCB footprint in an existing library, you would normally select Tools » New Blank Footprint. Creating a New PCB FootprintĪny number of PCB footprints can be created in a PCB library. If you have a PCB design with all the footprints already placed, you could use the Design » Make PCB Library command in the PCB editor to generate a PCB library that includes only those footprints.