<br>     &nbsp;&nbsp; x0#=-.00<br>     &nbsp;&nbsp; EndIf<br>     <br>     &nbsp;&nbsp; xx#=VertexX(surface,0)<br>     &nbsp;&nbsp; yy#=VertexY(surface,0)<br>     &nbsp;&nbsp; zz#=VertexZ(surface,0)<br>     <br>     &nbsp;&nbsp; VertexCoords surface,0,xx+x0,yy+y0,zz<br>     <br>     &nbsp;&nbsp; xx#=VertexX(surface,0)<br>     &nbsp;&nbsp; yy#=VertexY(surface,0)<br>     &nbsp;&nbsp; zz#=VertexZ(surface,0)<br>     <br>     &nbsp;&nbsp; VertexCoords surface,0,xx+x0,yy+y0,zz<br>     <br>     &nbsp;&nbsp; 