Rebuilding default SD image from source

Is there a known way to rebuild the default SD card image from source and get the same image (dts,kernel,rootfs) one downloads from avnet (ultra96v2_oob_2018_3_190917_8GB.zip) ?

The SD card images are generally tied to the PetaLinux BSP releases, so the ultra96v2_oob_2018_3_190917_8GB.zip OS image can be rebuilt using the PetaLinux 2018.3 BSP posted here:

https://www.element14.com/community/docs/DOC-95649 on the “Reference Designs” tab

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–Tom