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      <title>User Interface Tips</title>
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      <div class="title_topic3" id="xps10_pagetitle">User Interface Tips</div>
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      <p class="para_topic">Many parameters can be modified by dragging a handle in the preview display.</p>
      <p class="para_topic">For example, on the <b class="uiTerm"><a class="links" href="javascript:void(0)" onclick="top.openFile('roadmap/05qt_parts_26.html');return(false);">Extrude</a></b> command, you can drag both the start and end distances, the draft angle, and parameters called offsets.
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      <p align="center"><img align="bottom" src="graphics/parts/extrude_drag2_anim.gif"></p>
      <p class="para_topic">Do not quit when the preview appears. In I&ndash;deas, you do not see a preview until you have completed the previous step. In NX, you are given a preview as soon as you start selecting things. </p>
      <p align="center"><img align="bottom" src="graphics/parts/constraint_dim1.gif"></p>
      <p class="para_topic">To create a dimension between line 2 and line 3 as shown above, as soon as you pick line 2 you will see a preview of a dimension showing the length of line 2. After you pick line 3, the preview will display the dimension shown.</p>
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