The Rochester Contemporary Art Center has an annual fundraiser that is an art show that only contains work 6 inches by 6 inches square. That's the only constraint. Entries are free. All entries are accepted and exhibited in the gallery. (This year's show is scheduled June 6 to July 12, 2020. Hopefully it will not need to be cancelled or postponed due to the coronavirus epidemic. In any event, the artwork can be viewed and purchased online.
I missed last year's entry deadline but am on track to meet this year's deadline of April 11. below is one of the images I am considering entering. You are allowed to enter 3 total.
Further information about entering the show as well as past entries (some of which are still available for sale) is at the Center's website.
