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108               Chapter 6  Three-Dimensional Solid Analysis























                                    Click again on the same New Sketch icon to create Sketch2
                                     and Sketch3 to represent the upper rectangle and the circle,
                                     respectively.
                                    Next, we draw the lower square with the size of 4×4 in.
                                    Click  on Sketch1 then  click the Sketching  tab and  select
                                     Draw.  Choose Rectangle to create the lower square with
                                     the vertices of (-2,-2) and (2,2).  This is done by clicking at
                                     the coordinates of (-2,-2) on the model, move the cursor to
                                     the  coordinates  of  (2,2),  and  click  it  again.  Click  on
                                     Generate (the icon with yellow lightning on the upper-left
                                     part of the  screen). The lower  square will pop  up  in dark
                                     green.
                                    Next, we draw the upper rectangle.  Click on Sketch2 then
                                     click  the  Sketching tab and  select  Draw.    Choose
                                     Rectangle to create this upper rectangle with the vertices of
                                     (-2,2) and (-1,6).  This is done by clicking at the coordinates
                                     of (-2,2) on the model, move the cursor to the coordinates of
                                     (-1,6), and click it again. Click on Generate (the icon with
                                     yellow lightning on the upper-left part of the screen). The
                                     upper rectangle will pop up in dark green.
                                    Then,  we  draw  the  circle.    Click  the  Modeling  tab  and
                                     select Sketch3.  Then click the Sketching tab.
                                    Select the Draw tab and choose Circle.  Draw a circle with
                                     center at the coordinates of (0,0).  Do not worry about the
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