<br><font size=2 face="sans-serif">Sorry to answer this late, i didn't
notice that someone answered me</font>
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<br><font size=2 face="sans-serif">Thanks for the help, i will try it.</font>
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<br><font size=2 face="sans-serif">But what is really tickling me is that
it hadn't do it until now, whereas i already used this kind of geometry.</font>
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<br><font size=2 face="sans-serif">Anyway, it doesn't matter.</font>
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<br><font size=2 face="sans-serif">Thanks again !</font>
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<br><font size=2 face="sans-serif">Regards,</font>
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<br><font size=2 face="sans-serif">Romain</font>