{"version":"1.0","type":"link","title":"Keystone effect - Newikis","description":"The keystone effect is the apparent distortion of an image caused by projecting it onto an angled surface. It is the distortion of the image dimensions, such as making a square look like a trapezoid, the shape of an architectural keystone, hence the name of the feature. In the typical case of a…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/d/dd/Trapezoidal_projection_from_below.jpg/1280px-Trapezoidal_projection_from_below.jpg","thumbnail_width":1280,"thumbnail_height":796}