Squircles (lots of them) and 37's. My main photo page; Mark Morgan Trinidad A is at ...

www.flickr.com/photos/mmorgan8186/

No matter what they are marked, all my photographer's rights in the squircles/37's are waived and the photos can be put to any legitimate use.

If you do use a photo, I would love to see how and where so send me a link/flickrmail.

As to any third party rights, you are on your own !