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      <title>Use solid and open part modeling techniques</title>
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      <div class="title_topic2" id="xps10_pagetitle">Use solid and open part modeling techniques</div>
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            <p class="para_item">It is often best practice to create the model as a solid, then use shell to hollow out the inside.</p>
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            <p class="para_item">Thin parts like stamped sheet metal are most easily modeled as open surfaces and then thickened to give them volume. In NX, solid volumes are called &ldquo;<a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_3.html');return(false);">solid bodies</a>,&rdquo; and open surfaces are called &ldquo;<a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_3.html');return(false);">sheet bodes</a>.&rdquo; 
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            <p class="para_item">Sheet bodies and solid bodies can both be used as <a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_31.html');return(false);">cutting tools</a>.
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