Drawing Problems - Chapter 8 Copyright Goodheart-Willcox Co., Inc. 210 AutoCAD and Its Applications—Advanced Problems 4–7. These problems require you to use a variety of solid modeling functions to con- struct the objects. Use all of the solid modeling and editing commands you have learned so far to assist in construction. Create new UCSs as needed and use a dynamic UCS when practi- cal. Use SOLIDHIST and SHOWHIST to record and view the steps used to create the solid models. Create copies of the completed models and split them as required to show the internal features visible in the section views. Do not add dimensions to the models. For objects that have dimensions with tolerances, use the base dimension from which the upper and lower limits are calculated to create the model. Save each drawing as P8-(problem number). 4. Mechanical Thrust Washer