Isometric, Orthographic, and Foundation Drawings Lesson 9.4 R.4.G.7 Use orthographic drawings (top, front, side) and isometric drawings (corner) to represent threedimensional objects Vocabulary Isometric Drawing • Shows a corner view of a figure • Is not drawn in perspective, so distances are not distorted Foundation Drawing • Shows the base shape of a structure • Shows the height of each part Orthographic Drawing • Shows an object from three different views: – Top – Front – Right Side Top Front Right Use the isometric drawing to create the foundation drawing. Use the foundation drawing to create the isometric drawing. Use the isometric drawing to create the orthographic drawing. Top Front Right Use the given orthographic drawing to create an isometric drawing. Top Front Right Use the given foundation drawing to create an orthographic drawing 1 3 2 3 2 Top Front Right More Examples In the isometric drawing below, each cube equals 1 cubic ft. Find the volume of the figure. Even More Examples! Below is an orthographic drawing of a monument. a)How tall is the monument? b)How long in sections is the monument from front to back?