Drawing Problems - Chapter 12 Copyright Goodheart-Willcox Co., Inc. 328 AutoCAD and Its Applications—Advanced 3. Mechanical Construct the solid part shown. Then, perform the following edits on the solid using the SOLIDEDIT command. A. Change the diameter of the hole to 35.6/35.4. B. Add a 5° taper to each inner side of each tooth (the bottom of each tooth should be wider while the top remains the same). C. Change the width of the 4.8/4.0 key to 5.8/5.0. D. Save the drawing as P12-3. 2. Mechanical Construct the solid part shown using as many SOLIDEDIT options as possible. After completing the object, make the following modifications. A. Lengthen the 1.250″ diameter feature by .250″. B. Change the .750″ diameter hole to .625″ diameter. C. Change the thickness of the .250″ thick flange to .375″ (toward the bottom). D. Extrude the end of the 1.250″ diameter feature .250″ with a 15° taper inward. E. Save the drawing as P12-2. Hub Spline