<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><div class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">I have programed a file called small_cell.geo (attached) with a bounding box and 3 perpendicular wires inside. I want to have mirror conditions along the 4 long sides of the box as I will be periodically repeating this cell to make a bigger detector and therefore I need the wires to touch the walls. </div><div class=""><br class=""></div><div class="">The geometry file seems to be ok if I look at it with Gmsh (see attached file) </div><div class=""><br class=""></div><div class=""></div></body></html>