as he readily admits himself:

inspired by the old Charpentier illusion (the size-weight illusion)

full-blown

There is also an excellent chapter explaining the development of the printing process used to produce Ionia's striking posters

David Penn has literally shattered my expectations

Bicycle Toy Story | US Playing Card Roy as he readily admits himself:A toybox full of friends await you with Disney Pixar Toy Story Inspired Playing Cards by Bicycle! With custom card backs inspired by Andy's quilt, and many of your favorite Toy Story characters on the court cards, you next card game will be more fun than a night out at Pizza Planet!