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Since computer screens are essentially two-dimensional, 3D graphics are just 2D optical illusions that trick your brain into thinking it is seeing a 3D object. A 3D graphics engine works by calculating what 2D shapes a 3D object would project on to the screen. petercollingridge.appspot.com

Coastal Refresher, Atlantic Ocean (Nature)

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in cat. Nature

Omega Centauri (NGC 5139) from Hubble Space Telescope (Space)

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in cat. Space

Aoraki Mount Cook National Park, New Zealand (Travel)

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in cat. Travel

TimeShift (Sci-fi FPS Game) (Games)

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in cat. Games

Beyonce and a Tiger (Women)

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in cat. Women

Orianthi (Panagaris) (Music)

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in cat. Music

Seasons Change (HD Ready) (3D-Art)

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in cat. 3D-Art

Vector Supercar Concept (Vector)

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in cat. Vector

Inter Milan Football Club Italy (Sports)

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in cat. Sports

Heidi Klum, German Supermodel (Models)

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in cat. Models

Chevrolet Chevy Nomad Concept Car (Cars)

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in cat. Cars

Arnold Schwarzenegger, IFBB Mr. Olympia (Men)

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in cat. Men

Curious Britney Spears for Women by Britney Spears (Brands)

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in cat. Brands

She's the Man, 2006, Amanda Bynes (Movies)

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in cat. Movies

Ancient Chinese Food (Food)

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in cat. Food