arty baby shower cake ideas

hi guys im looking for some ideas. Iv been asked to make a baby shower cake and for it to have an arty theme as well as a baby theme as the mum to be is very arty. Any ideas please? I can think of a few arty cakes but just dont know how to make them more ‘baby shower like’. It is to be neutral (not boy or girl themed) and only 1 teir. many thanks in advance :)