creating a mock-up of. A mock-up is a full-percepticenergypicture in three dimensions, created by the thetan and having location in space and time. A mock-up is more than a mental picture; it is a self-created object which exists as itself or symbolizes some object in the physical universe. The term was derived from the World War II phrase for miniature models that were constructed to symbolize weapons (airplanes, ships, artillery, etc.) or areas of attack (hills, rivers, buildings, etc.) for use in planning a battle. See also thetan in this glossary.—Conquest of Chaos Approved Glossary (8.7.92)