<div dir="ltr"><div dir="ltr"><div>Someone mentioned Sketchup push/pull patent just expired</div><div dir="ltr"><a href="https://patents.google.com/patent/US6628279B1/en">US6628279B1 - System and method for three-dimensional modeling - Google Patents</a> <br></div></div><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><a href="http://web3d.org/mailman/listinfo/x3d-public_web3d.org" rel="noreferrer" target="_blank"><br></a><br>
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