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Select the “Base” command to place a base drawing view (also Figure 29). A C-size drawing sheet is displayed (Figure 29).Left-click on the “New” pull-down menu (Figure 28), and create a new drawing.Then, right-click on the “View Cube” and redefine the current view as the front view (Figure 27).To facilitate the construction of the drawing, reorient the part as shown in Figure 26 and left-click on the “View Face” icon.The drawing for our part is created in the following manner. These lines should be symmetric relative to the projected XZ Plane. Next, apply symmetry constraints to the horizontal lines of the 1.5-inch x 0.75-inch rectangle (Figure 20).As shown in Figure 19, unselect the “Construction” icon and create a 1.5-inch x 0.75-inch rectangle.Project the XZ Plane (Figure 17), and then select and convert all of the projected entities to construction geometry (Figure 18).Now, select the surface shown in Figure 16, and left-click on the “Create Sketch” icon.Note that the thickness of this feature is 4 inches. Exit the sketching mode, and create the second extrusion using the “Extrude” parameters given in Figure 15.Use the “Line” command to create a horizontal line connecting the upper vertex of the arc to the leftmost vertex of the 4-inch line (Figure 14).Regular (not construction) geometry should be used for this arc. Using the “Center Point Arc” command, create an arc that starts on the left vertex of the 3-inch line and terminates on the bottom of the projected rectangle (Figure 13).The next step is the application of coincident constraint between the circle and the 3-inch horizontal line (Figure 12).Then, apply a tangent constraint between the circle and the lowermost horizontal line of the projected rectangle (Figure 11).Using construction geometry, create a 6-inch diameter circle in a location similar to that shown in Figure 10.Apply the appropriate constraints to the horizontal and vertical lines (see Figures 8 and 9 as examples).Note that the leftmost vertex of the 4-inch horizontal line is coincident with the bottom-right vertex of the automatically projected rectangle. Next, draw the 4-inch horizontal, 2.5-inch vertical, and 3-inch horizontal lines shown in Figure 7.Select all of the automatically projected lines associated the outlined rectangle, and convert them to construction geometry (Figure 6).Now, reorient the model and create a new 2D sketch on the highlighted surface (Figure 5).Observe that the thickness of this feature is 3 inches. Exit the sketching mode, and create the first extrusion using the “Extrude” parameters given in Figure 4.Add any other required dimensions (Figure 3).Note that some dimension values were input during line creation. Then, create the horizontal and vertical lines shown in Figure 2.Use the “Center Point Circle” command to create the 1.5-inch circle shown in Figure 1.Close the “Document Settings” dialog box, and select the “Sketch” tab to create the sketch elements.Note: the “Snap Spacing” parameters are each set to 0.125 inches, “snaps per minor” is set to 1, and “minor lines” is set to 8. Next, select the “Document Settings” icon, and set the “Snap Spacing” and other parameters under the “Sketch” tab.Then, close the “Application Options” dialog box. Select the “Application Options” icon, and make sure that “Snap to grid” under the “Sketch” tab is checked. At this point, let’s set the grid snap and spacing parameters to facilitate the sketching tasks.
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After opening the part, we’ll be able to create a new sketch. Create a Chapter8 folder (if it does not already exist), and save this exercise in that folder.The part and drawing were created in the following manner. During this exercise, we’ll also generate the drawing. This Autodesk Inventor (Slide Mount) model will consist of several features.