Axonometric projection

In mechanical drawing, includes isometric, dimetric, and trimetric projection. Axonometric projection is used to represent three-dimensional objects, not for an illusion of reality, but to show dimensions and other geometric information.Examples: France, St. Sernin, Toulouse, c.1080-1120. An axonometric projection of the nave of this Romanesque cathedral. See aerial view, apse, capital, chapel, crossing, cruciform, nave, and plan.