Bigger on the Inside

Why does this remind me of a Pythagoras cup?

Thanks! And also keep in mind this was a collaboration with odysseyroc. If he could be added to the sale page too that’d be awesome.

Really nice design. I don’t watch the show but I get it. Very cool, looks great.

Bigger on the inside, so is a small actually a 3xl?

I want to hack the Tardis, turn the Chameleon circuit on, and make it into a Klein bottle.

I have no idea what this is referencing or what it means. ;-(

I wonder if the contents are decaf, or regular? Do they vary with each Doctor?

Who is the inspiration for this work of art?

Doctor Who reference.