YOUR CHALLENGE IS TO DESIGN A NON-EDIBLE, FOOD RELATED OBJECT FOR ASTRONAUTS TO 3D PRINT IN THE YEAR 2050

I am reading this article YOUR CHALLENGE IS TO DESIGN A NON-EDIBLE, FOOD RELATED OBJECT FOR ASTRONAUTS TO 3D PRINT IN THE YEAR 2050 here (http://www.futureengineers.org/StarTrek).
I am reading this Contest Rules Summary here (http://www.futureengineers.org/Pdfs/ContestRulesSummary.pdf).
I am reading Design guidelines here (http://www.futureengineers.org/Pdfs/DesignGuidelines.pdf).