Such a good question that we thought we’d pose it to the fandom.
How would you decorate your Whovian graduation cap?
Let theroyalnonesuch know through your reblog.
Not sure how to answer as I never decorated my graduation caps, even though I’ve gone through four graduations in my life (8th grade, 12th grade, junior college, university).
I suppose it depends on the color of the cap. Usually they’re black, which could probably work as a backdrop for any sort of design, but if it’s blue then I say make it look like a TARDIS.