Long before the Michael Bay-produced “Teenage Mutant Ninja Turtles” reboot went into production, various visual effects houses met with the filmmaker to determine who might work on the film along with suggestions of potential turtle designs.

Illusion Industries concept artist Anthony Francisco has now shared the concept artwork he created as a part of the company’s pitch to work on the film. The company wasn’t hired, but the art shows you just what kind of ideas were being floated.

Source: io9