Design Drafting Lectures 0 Lecture 9 Pictorial Drawings: Axonometric Projection: Oblique Projection So far we have discussed isometric drawing/projections. In this lecture we will discuss some other, less popular types of axonometric projection. We will also be discussing oblique projection, a relatively quick way of producing a pictorial drawing. Dimetric Projection: A dimetric projection is an axonometric projection of an object so placed that no two axes make equal angles with the plane of projection. In other words each of the three axes and the lines parallel to them, respectively, have different ratios of foreshortening when projected to the plane of projection. Trimetric Projection: A trimetric projection is an axonometric projection of an object so placed that no two axes make equal angles with the plane of projection. In other words each of the three axes and the lines parallel to them, respectively, have different ratios of foreshortening when projected to the plane of projection. Diametric projection of a cube Isometric projection Two dimetric drawings with 45º rotation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.