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      <title>Creating surfaces</title>
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      <div class="title_topic2" id="xps10_pagetitle">Creating surfaces</div>
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      <p class="para_topic">The main difference in NX from I-deas is how multiple surfaces are stored as sheet bodies in the same .prt file. </p>
      <p class="para_topic">Simple open surfaces can be created by extruding and revolving open curves, similar to I-deas.</p>
      <p align="center"><img align="bottom" src="graphics/intro/prt_open_sheet.gif"></p>
      <p class="para_topic">Sculpted surface creation commands are accessed from the <b class="uiTerm">Insert</b> &rarr; <b class="uiTerm">Surface</b>, <b class="uiTerm">Mesh Surface</b>, and <b class="uiTerm">Sweep</b> menus and also in the <b class="uiTerm">Free Form Feature</b> and <b class="uiTerm">Free Form Shape</b> toolbars. These commands include:
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      <ul class="unmarkedList">
         <li>
            <p class="para_item"><img align="bottom" src="graphics/icons/icon_ruled.gif" border="0"> <b class="uiTerm">Ruled</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_thru_curves.gif" border="0"> <b class="uiTerm">Through Curves</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_thru_curve_mesh.gif" border="0"> <b class="uiTerm">Through Curve Mesh</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_swept.gif" border="0"> <b class="uiTerm">Swept</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_variational_sweep.gif" border="0"> <b class="uiTerm">Variational Sweep</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_section_body.gif" border="0"> <b class="uiTerm">Section</b></p>
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         <li>
            <p class="para_item"><img align="bottom" src="graphics/icons/icon_bridge.gif" border="0"> <b class="uiTerm">Bridge</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_nsided_surf.gif" border="0"> <b class="uiTerm">N-Sided Surface</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_transition.gif" border="0"> <b class="uiTerm">Transition</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_extension.gif" border="0"> <b class="uiTerm">Extension</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_law_extnsion2.gif" border="0"> <b class="uiTerm">Law Extension</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_offset_surface.gif" border="0"> <b class="uiTerm">Offset</b></p>
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         <li>
            <p class="para_item"><img align="bottom" src="graphics/icons/icon_swoop.gif" border="0"> <b class="uiTerm">Swoop</b></p>
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            <p class="para_item"><img align="bottom" src="graphics/icons/icon_sheet_fro_curvs.gif" border="0"> <b class="uiTerm">Sheet from Curves</b></p>
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      <p class="para_topic">Example of a plastic part created using <b class="uiTerm">Variational Sweep</b> and <b class="uiTerm">Thicken</b>:
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      <p align="center"><img align="bottom" src="graphics/surfaces/vsweep.gif"></p>
      <p class="para_topic">See also:</p>
      <ul class="unmarkedList">
         <li>
            <p class="para_item">Help: <img align="bottom" src="graphics/widgets/book_closed.gif" border="0"> Design &rarr; Modeling &rarr; Creating Objects from the Insert Menu &rarr; Surface 
            </p>
         </li>
         <li>
            <p class="para_item">Help: <img align="bottom" src="graphics/widgets/book_closed.gif" border="0"> Design &rarr; Modeling &rarr; Creating Objects from the Insert Menu &rarr; Mesh Surface 
            </p>
         </li>
         <li>
            <p class="para_item">Help: <img align="bottom" src="graphics/widgets/book_closed.gif" border="0"> Design &rarr; Modeling &rarr; Creating Objects from the Insert Menu &rarr; Sweep 
            </p>
         </li>
         <li>
            <p class="para_item">Help: <img align="bottom" src="graphics/widgets/book_closed.gif" border="0"> Design &rarr; Modeling &rarr; Creating Objects from the Insert Menu &rarr; Flange Surface 
            </p>
         </li>
         <li>
            <p class="para_item">Help: <img align="bottom" src="graphics/widgets/book_closed.gif" border="0"> Design &rarr; Modeling &rarr;  Modeling Menu Quick Reference &rarr; Modeling Insert Options  &rarr; Surface
            </p>
         </li>
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