Iām just eating my own dog food 
https://chiaforum.com/t/community-plotting-as-a-service-1-plot-pool-compatible-directly-to-s3-wasabi-samba-cifs-rsync-or-as-download-rsync-ftp-sftp-scp/
With my own plotting service, it directly places them there., using the s3 compatible api b2 can provide