Copyright Goodheart-Willcox Co., Inc. 180 AutoCAD and Its Applications—Advanced Exercise 8-1 www.g-wlearning.com/CAD/ Complete the exercise on the companion website. Move, Rotate, and Scale Objects in 3D Space The ALIGN command has the same functions of the 3DALIGN command, but adds the ability to scale an object. See Figure 8-7. The 90° bend must be rotated and scaled to fi t onto the end of the HVAC assembly. Two source points and two destination points are required, Figure 8-7A. Then, you can choose to scale the object. Select objects: (pick the 90° bend) 1 found Select objects: ↵ Specify first source point: (pick P1) Specify first destination point: (pick P2 a line is drawn between the two points) Specify second source point: (pick P3) Specify second destination point: (pick P4 a line is drawn between the two points) Specify third source point or continue: ↵ Scale objects based on alignment points? [Yes/No] N: Y↵ The 90° bend is aligned and uniformly scaled to meet the existing ductwork object. See Figure 8-7B. You can also align using three source and three destination points. However, when doing so, you cannot scale the object. PROFESSIONAL TIP PROFESSIONAL TIP Before using 3D editing commands, set running object snaps to enhance your accu- racy and speed. ALIGN Ribbon Home Modify Align Type ALIGN AL A B P3 P1 P2 P4 Figure 8-7. Using the ALIGN command. A—Two source points and two destination points are required. Notice how the bend is not at the proper scale. B—You can choose to scale the object during the operation. Notice how the aligned bend is also properly scaled.