![]() The thematic area of three-dimensional optical illusions offered a very fertile ground for such explorations and generated a great variety of student projects while teaching about projections, shadows, Boolean operations and advanced surface editing. The aim of the course was not to offer a mere software tutorial but to challenge the students to use 3D modeling in new creative ways, challenging the notion of perception, understanding the space and reconstructing spatial uncertainties. ![]() Students had some previous experience with CAD software and also with descriptive geometry, and in the aforementioned course they were asked to combine their previous knowledge and use 3D modeling in new ways. The course introduced architecture students to 3D modeling in Rhinoceros software. MySpace was a course about digital representation held at the Institute of Architecture and Media during summer semester 2013. Within the agenda of the course “Digital Methods of Representation” at Graz University of Technology, students were asked to employ their skills in descriptive geometry in new ways. This paper presents research into examples of optical illusion and their digital reconstruction, and an educational process that attempts to understand, analyze, and construct optical illusions and visually ambiguous spaces. All the aforementioned effects have a concrete geometric explanation. ![]() In this a game of perception a spectator in either physical or digital space might experience confusion or surprise walking through spaces that look different than what they really are! Nevertheless, the so-called “illusion” always comes down to simple geometric rules. Based on this propaedia we are now moving a step further, utilizing a new vocabulary of anamorphic effects, optical illusions and anagrams which can result in fascinating spatial experiences. Courses of descriptive geometry traditionally taught with compass and straightedge, are currently enriched with digital media, introducing the ever-growing field of computational geometry. The understanding of space through diverse projections and the study of shadow has ordinarily formed part of the curriculum of architectural education.
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