<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span style="font-family: Helvetica;" class="">Tony</span><div style="font-family: Helvetica;" class=""><br class=""></div><div style="font-family: Helvetica;" class="">This sounds like an interesting project for the X3D community to help with.</div><div style="font-family: Helvetica;" class=""><br class=""></div><div style="font-family: Helvetica;" class="">As a proof of concept, this X-ITE rendering shows it is possible to render Mobius-like geometry in X3D: <a href="https://spri-open-resources.s3.us-east-2.amazonaws.com/trimobius/index.html" class="">https://spri-open-resources.s3.us-east-2.amazonaws.com/trimobius/index.html</a> </div><div class=""><font face="Helvetica" class=""><br class=""></font></div><div class=""><font face="Helvetica" class="">The X3D file that this page is rendering may be retrieved at <a href="https://spri-open-resources.s3.us-east-2.amazonaws.com/trimobius/mobius.x3d" class="">https://spri-open-resources.s3.us-east-2.amazonaws.com/trimobius/mobius.x3d</a></font></div><div class=""><font face="Helvetica" class=""><br class=""></font></div><div class=""><font face="Helvetica" class="">If you can share screenshots or webpages with your not-satisfactory results, that may give us some hint as to what's going on, and also sharing code may also help us.</font></div><div class=""><font face="Helvetica" class=""><br class=""></font></div><div class=""><font face="Helvetica" class="">Vince Marchettti</font></div><div class=""><font face="Helvetica" class="">Web3D Consortium</font></div><div class=""><font face="Helvetica" class=""><br class=""></font></div><div style="font-family: Helvetica;" class=""><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class="">On Aug 28, 2023, at 1:38 AM, Anthony Judge <<a href="mailto:anthony.judge@gmail.com" class="">anthony.judge@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">I have a working model of a Mobius strip, but it uses Indexed Faceset<br class="">which I cannot manipulate as I had hoped to do. Basically I want to<br class="">extend the edges of the strip, possibly dynamically.<br class=""><br class="">So as an alternative I extruded a thin rectangular cross-section along<br class="">a circular spine, but modifying the orientation of each element along<br class="">the spine through 180 degrees.<br class=""><br class="">This gives a correct result, except that the ends do not meet<br class="">correctly -- the end is offset because it is rotated around the spine.<br class="">This is apparent if I change the orientation through 360 degrees, when<br class="">the ends do connect correctly -- but I have two twists in the strip,<br class="">which is not what I need for a Mobius strip<br class=""><br class="">I can provide snippets of this simple issue and I can understand how<br class="">the issue is created by using the spine/orientation combination with<br class="">the extrusion.<br class=""><br class="">Any comments/help?<br class=""><br class="">Tony<br class=""><br class="">-- <br class="">Anthony Judge<br class=""><<a href="mailto:anthony.judge@gmail.com" class="">anthony.judge@gmail.com</a>><br class=""><a href="http://www.laetusinpraesens.org" class="">www.laetusinpraesens.org</a><br class=""><br class="">_______________________________________________<br class="">x3d-public mailing list<br class="">x3d-public@web3d.org<br class="">http://web3d.org/mailman/listinfo/x3d-public_web3d.org<br class=""></div></div></blockquote></div><br class=""></body></html>