orthographic projection

noun

1. a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection.Also called orthogonal projection.Compare isometric(def 5).

noun

1. a style of engineering drawing in which true dimensions are represented as if projected from infinity on three planes perpendicular to each other, avoiding the effects of perspective
2. a type of zenithal map projection in which the area is mapped as if projected from infinity, with resulting distortion of scale away from the centre