<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Dear Gmsh team,</div><div class=""><br class=""></div><div class="">I have to design a cylinder with a patch on its side and a stripe tied to the cylinder by a common edge with the patch, see the attached .geo file. To do that, I tried to use Embed lines, Compound Surface and Boolean Difference but its seems that those tools do not work together very well. These 5 errors occurred:</div><div class=""><br class=""></div><div class=""><div class="">Error : Could not open file 'debugp.pos'</div><div class="">Error : Could not open file 'debugr.pos'</div><div class="">Error : Unable to recover the edge 125 (1/5) on GEdge 11 (on GFace 11)</div><div class="">Error : Could not open file 'wrongmesh.pos'</div><div class="">Error : Could not open file 'wrongparam.pos'</div></div><div class=""><br class=""></div><div class="">Is there a way to deal with this?</div><div class=""><br class=""></div><div class="">Thank you for your time.</div><div class=""><br class=""></div><div class="">Best regards,</div><div class="">Clément Blanchard</div><div class=""></div></body></html>