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      <title>Positioning features</title>
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      <div class="title_topic3" id="xps10_pagetitle">Positioning features</div>
      <hr noshade="true"><a name="ndxgenid_roadmap341"></a><p class="para_topic">The positioning constraints used to position form features in NX are very similar to the construction relations used in I-deas.</p>
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                  <p class="para_tip_body">The most common positioning constraint you will use is the <b class="uiTerm">Perpendicular</b> constraint. This defines the perpendicular distance from an edge or datum.
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      <p class="para_topic">Positioning constraints can be applied to any edges, <a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_21.html');return(false);">datum planes</a>, <a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_21.html');return(false);">datum axes</a>, or <a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_18.html#qt_parts_reference_curves');return(false);">reference curves</a>.
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            <p class="para_item">First select a datum or edge on the target body (the part the feature is being added to).</p>
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            <p class="para_item">Next, select an edge or center line from the feature tool being added.</p>
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                  <p class="para_tip_body">In NX, there is no <b class="uiTerm">Focus</b> command as in I-deas. To create a hole that intersects a second hole at an angle, position the hole using a <b class="uiTerm">Point on Line</b> position constraint, even though the second hole centerline is on another plane.
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                  <p class="para_tip_body">NX does not create implied center constraints as in I-deas. To explicitly center features, create centered datum features or sketch center line curves converted to <a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_18.html#qt_parts_reference_curves');return(false);">reference curves</a> to use for constraints.
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                  <p align="center"><img align="bottom" src="graphics/parts/position_with_ref_curves.gif"></p>
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      <p class="para_topic">See also:</p>
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            <p class="para_item">Help: <img align="bottom" src="graphics/widgets/book_closed.gif" border="0"> Design &rarr; Modeling &rarr; Methods in Feature Modeling&rarr; Positioning Methods
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