Left: Snake's design was largely based on the way Max Lang drew the character in his storyboards. Right: The final modelsheet, a dig. paint-over by Jakob Schuh based on a maquette by Klaus Morschheuser (click to enlarge). See more from that sequence here.
Some more preproduction from “Der Grüffelo”, which you can watch on ZDF this Christmas, December 24th at 10.40 am. Different production stages from the film's "swamp sequence", from top to bottom: Initial location design by Manu Arenas, set dress and prop design by Jakob Schuh,…
Manu Arenas' wonderful, early b/w concepts (top and middle) inspired the "field of dandylions" sequence, which was later further visualized by the very talented Louis Tardivier (bottom).