For many years one of the most commonly utilized tricks of the sign painter is the use of projected letters and shadow. As E. Sanderson puts it in his essay published in The Modern Signwriter (1954) “..the representation of any style of letter which is cut out of solid substance and has three-dimensions, ie. length, breadth and thickness”.
Above we have my rather primitive early attempts to get to grips with these tricks.
Below we have some further examples taken from the same E. Sanderson essay.