Shock horror, people have spokeificated on this dead topic. Dioramas are like Diarrhoea, Diazepam and Diamorphine.
Diabetes is caused by overfilling the face, drinking too many beers and a lack of sexercise.
I may make a diorama from the fallout universe with biscuit/cookies, cakes/cakes and icing sugar.
Then in a fit of pique caused by an artistic temperament, eat the fucking lot, swilled down with lager, scotch whisky and ginger ale/beer.
I may make an edifice to human evolution out of burnt out lithium batteries that have set peoples cars/houses on fire.