<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">I have embedded below .geo script lines. My expectation is that duplicated and <br>rotated surface  would retain the structured mesh created<br>successfully in the original model surface labeled "LeftSide"<br><br>How can I duplicate and rotate the structured mesh....or make the new surface <br>structured like "LeftSide."<br><br>Thank you so much.<br>Leonard<br>Texas.<br><br><br><br>//------------------------------------------Begin-------------------------------------------------------<br>lc=5;<br>lcbot=30;<br>corner=400;<br>height=800;<br><br>p1=newp; Point(p1)={-corner,-corner,0,lcbot};<br>p2=newp; Point(p2)={0,-corner,0,lc};<br>p3=newp; Point(p3)={0,-corner,height,lcbot};<br>p4=newp; Point(p4)={-corner,-corner,height,lcbot};<br><br>l1=newl; Line(l1)={p3,p4};<br>Transfinite Line {l1} = 16;<br>l2=newl; Line(l2)={p2,p3};<br>Transfinite Line{l2} = 32 Using
 Progression 1.079;<br>l3=newl; Line(l3)={p1,p2};<br>Transfinite Line {-l3} = 16 Using Progression 1.2;<br>l4=newl; Line(l4)={p4,p1};<br>Transfinite Line{-l4} = 32 Using Progression 1.01;<br><br>//.................... Sides ..................<br>// Side Surfaces LeftSide & RightSide<br>loop1 = newll; Line Loop(loop1)= {l4,l3,l2,l1};<br>LeftSide=news; Ruled Surface(LeftSide) = {loop1};<br>Transfinite Surface{LeftSide}={} Alternate;<br><br>/*<br>  Rotated, Duplicata of LeftSide does not retain structured mesh character of<br>  LeftSide surface created above.<br>*/<br>Rotate {{0,0,1},{0,0,height},Pi/2} {<br>    Duplicata{<br>        Surface{LeftSide};<br>    }<br>}<br>//------------------------------------------End-------------------------------------------------------<br></td></tr></table><br>