cutie pi, typography t-shirt for geographers

basic rgb font text line logo brand cartoon number calligraphy diagram circle drawing handwriting symbol label presentation cute cut cutie happy day shirt print template typography t-shirt design geographers math lover 141592 equation background vintage fashion funny teacher tee teaching international abstract geometry education celebration party graphic mathematician mathematics algebra march science geek nerd maths mathematic pie school student humor calculus nerdy college irrational mathematical 14th birthday template geographers 3 141592