Scale reference sheet: [the
object] beside a human, a
doorway and a car, with real
dimensions labelled, so size
reads instantly without
reading numbers.

Scale Reference Sheet

Three familiar objects, so the size is felt rather than read.

Prompt

Produce a scale reference sheet for [an object or creature]: it drawn beside a human figure, a doorway, and a car, with real dimensions labelled, so the size reads instantly without anyone reading numbers.