I entered Free Flag quilt pattern and found these and more:
http://www.nancyzieman.com/blog/quic...-a-swn-viewer/
http://www.nancyzieman.com/blog/quic...-a-swn-viewer/
Then I googled Free Christmas Tree Quilt pattern
https://www.thespruce.com/patchwork-...attern-2821142
http://quiltinspiration.blogspot.com...15-part-1.html
I did not verify that the patterns were available on these sites, but you should be able to find something among all the Google listings. Good luck!