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      <title>Step 1. Create the Box Feature</title>
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      <div class="title_topic4" id="xps10_pagetitle">Step 1. Create the Box Feature</div>
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      <div class="action">
         <p class="para_action1"><img src="../graphics/actarrow.gif">Open <b class="uiTerm">workpiece_1.prt</b>.
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         <p class="para_action1"><img src="../graphics/actarrow.gif">Zoom into the following area of the workpiece.
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         <p align="center"><img align="bottom" src="graphics/case6-initial.gif"></p>
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      <div class="title_figure">Figure. Case Study Model Close-up</div>
      <p class="para_topic">This is where you will create the sparking head.</p>
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         <p class="para_action1"><img src="../graphics/actarrow.gif">On the <b class="uiTerm">Electrode Design </b> <a class="links" href="javascript:void(0)" onclick="top.popUpPage('nxelectrode_design/index.html?goto=nxelectrode_design/nx_electrode_toolbar.html&amp;vars=-aux,-home','link','menubar=yes,status=no,resizable=yes,toolbar=no,scrollbars=yes,location=no,directories=no,height=600,width=500,left=100,top=100');return(false);">toolbar</a>, click <b class="uiTerm">Trim Solid</b><img align="bottom" src="graphics/trim_solid.gif" border="0">.
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      <p class="para_topic">The<b class="uiTerm"> Trim Solid</b> dialog box appears.
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      <p class="para_topic">Make the following <b class="uiTerm">face selection</b>:
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      <div class="figure">
         <p align="center"><img align="bottom" src="graphics/case7-2.gif"></p>
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      <div class="title_figure">Trim Solid &mdash; Face Selection</div>
      <div class="action">
         <p class="para_action1"><img src="../graphics/actarrow.gif">Adjust the <b class="uiTerm">Search Level</b> to <b class="uiTerm">3</b> on the <b class="uiTerm">Trim Solid</b> dialog box.
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      <p class="para_topic">The following result will display.  Notice that additional faces are now included in the selection.</p>
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         <p align="center"><img align="bottom" src="graphics/case7-2_5.gif"></p>
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      <div class="title_figure">Figure. Trim Solid &mdash; Preview</div>
      <div class="action">
         <p class="para_action1"><img src="../graphics/actarrow.gif">On the <b class="uiTerm">Trim Solid</b> dialog box, click <b class="uiTerm">Bounding Box</b> <img align="bottom" src="graphics/case7_bounding_box.gif" border="0">.  Then click <b class="uiTerm">Edit Bounding Box</b> <img align="bottom" src="graphics/case7_edit_bounding.gif" border="0">. 
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      <p class="para_topic">After clicking on the <b class="uiTerm">Edit Bounding Box</b>, the <b class="uiTerm">Create Box</b> dialog box will appear.
      </p>
      <p class="para_topic">While in Create Box, it is possible to drag/change the size of box.</p>
      <div class="action">
         <p class="para_action1"><img src="../graphics/actarrow.gif">Change three of the box parameters to the following values.  It is important to change the size of the box such that it is contained within the trim faces.  After changing the box parameters, click <b class="uiTerm">OK</b> on the <b class="uiTerm">Create Box</b> dialog box and the <b class="uiTerm">Trim Solid </b>dialog box will reappear.
         </p>
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      <div class="figure">
         <p align="center"><img align="bottom" src="graphics/case7-3.gif"></p>
      </div>
      <div class="title_figure">Box parameter adjustments</div>
      <div class="action">
         <p class="para_action1"><img src="../graphics/actarrow.gif">On the <b class="uiTerm">Trim Solid </b>dialog box, click <b class="uiTerm">Preview</b>.  
         </p>
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      <p class="para_topic">The following result is displayed.</p>
      <div class="figure">
         <p align="center"><img align="bottom" src="graphics/case7-7.gif"></p>
      </div>
      <div class="title_figure">Trim Solid Preview</div>
      <div class="action">
         <p class="para_action1"><img src="../graphics/actarrow.gif">On the<b class="uiTerm"> Trim Solid</b> dialog box, click <b class="uiTerm">OK</b>.
         </p>
      </div>
      <div class="figure">
         <p align="center"><img align="bottom" src="graphics/case7-8.gif"></p>
      </div>
      <div class="title_figure">Trim Solid Result</div>
      <p class="para_topic">At this point, the sparking head is not the desired size.  By using the <b class="uiTerm">Extend Solid</b> command, it is possible to alter the size of the sparking head while maintaining the trimmed shape.
      </p>
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