Creatively genius! I think Ces de Guzman aka Gagay Li Collins, printed the base artwork then de stressed the sides by a red art medium. She likewise printed the title and message on parchment paper : Celebrate FAMILY as a work of ART" which was attached on the base with ribbon!
Note: There are 50 + 1 participants of the swap. So imagine the patience and metinculousness in doing 50 of these ATC.