A Radical Portrait of Dimension X is a TMNT fanfiction story, written by Zarius. It was published at Fanfiction Net on 22 January 2014. It's set in the 1987–1996 animated TV-series version.
The Neutrinos are called on by their elders to capture the majesty of Dimension X in a painting, which is to be reviewed on Earth. Michelangelo reunites with Kala, while Leonardo and Raphael try to assist Fiona Butcher finding her paintings.