Drawing Problems - Chapter 16 Copyright Goodheart-Willcox Co., Inc. 438 AutoCAD and Its Applications—Advanced Drawing Problems 1. General This problem demonstrates the differences in rendering time and image quality of the different rendering presets. A. Open any 3D drawing from a previous chapter and display an appropriate isometric view. Change the projection to perspective, if it is not already current. B. Turn on sunlight and set the Date and Time sliders to place the shadows where you want them. Tip: Turning on full shadows allows you to locate the shadows without rendering. C. Render the scene once for each of the following rendering presets: Low, Medium, and High. D. In the history and statistics pane of the Render window, note the differences between the rendering times for each rendering. E. Save each image with a corresponding name: P16-1-Low.jpg, P16-1-Medium.jpg, and P16-1-High.jpg. F. Save the drawing as P16-1. 2. Architectural In this problem, you will construct a living room scene and use visual styles to change the display. A. Draw a 12′ × 12′ planar surface to represent the floor. B. Draw two boxes to represent walls, 12′ × 4″ × 8′. Position them as shown. C. Add the furniture shown to the scene. Use objects you have created in previous chapters or search for blocks of furniture online. If you search for content online, search for 3D drawing files for the following objects, down- load the files, open them, and then drag and drop them into the scene: sofa, table, end table, lamp, book shelf, and chair. Websites such as CAD Forum, CAD Blocks Free, and BIM Object provide free 3D blocks and drawing files for use in AutoCAD. The blocks you use do not have to be exactly the same as shown here and may need to be scaled up or down. Complete the scene by positioning the furniture as shown. D. To create a more realistic scene, change the projection to perspective and move your viewing angle to a more natural height. E. Apply each of the default visual styles to the viewport and plot each one. Use the As displayed option in the Plot dialog box. Note the differences in each one. F. Save the drawing as P16-2.