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109 <h1>Uniting two triangles</h1>
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112 you can union two neighboring triangles (cells) by deletion of the common
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117 <p class=TODO>To unite two triangles:</p>
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119 <p class=TODO> </p>
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121 <p class="whs1">1. From the <span style="font-weight: bold;"><B>Modification
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122 </B></span>menu choose the <span style="font-weight: bold;"><B>Union of two triangles
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123 </B></span>item or click <img src="../image71.gif" width="23px" height="23px" border="0" class="img_whs2"> button in the toolbar. The following
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124 dialog box shall appear:</p>
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126 <p class="whs1"> </p>
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130 <p class="whs1"> </p>
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132 <p class="whs1">2. Enter the ID of the required edge in the
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133 <span style="font-weight: bold;"><B>Edge </B></span> field
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134 or select this edge in the 3D viewer. </p>
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136 <p class="whs1"> </p>
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138 <p class="whs1">3. Click the <span style="font-weight: bold;"><B>Apply
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