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      <title>Bridge tips and techniques</title>
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      <div class="title_topic3" id="xps10_pagetitle">Bridge tips and techniques</div>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/smfea_bridge.html');return(false);">Bridge Overview</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/smfea_bridge_terms.html');return(false);">Options</a></p>
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               <p class="para_td"> <a class="links" href="javascript:void(0)" onclick="top.openFile('sheetmetaldes/build_multi_parts.html');return(false);">Related Topics</a></p>
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      </table><br><div class="title_division">Editing Bridges</div>
      <p class="para_division">Edit a bridge as you would any feature. Note that during editing you cannot change the <b class="uiTerm">Unite</b> method.
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      <div class="title_division">Error Messages</div><pre class="indent">SMBridge contains invalid bend allowance formula.
SMBridge thickness should be greater than or equal to zero.
SMBridge tolerance should be greater than zero.
SMBridge intersect angle must not exceed 360&deg;.
SMBridge radius must be greater than zero.</pre><p class="para_division">These messages indicate invalid data has been entered.</p><pre class="indent">SMBridge section curve is invalid.</pre><p class="para_division">The system could not construct section curves that meet the specified parameters. Try modifying some parameters. An example of such a problem is attempting to use <b class="uiTerm">Tangent at Target</b> mode on two parallel faces.
      </p><pre class="indent">SMBridge could not attach geometry to topology.</pre><p class="para_division">The system could not build a solid using the specified parameters. This might be due to self intersecting surfaces. Try modifying some parameters.</p><pre class="indent">SMBridge could not unite.</pre><p class="para_division">The feature could not unite to the specified body. Try using a smaller tolerance.</p>
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