<p>Hi Alexis,</p>
<p>I'm not quite sure to understand what you're trying to do.</p>
<p>the attached .geo seems to work. You can scale the whole mesh afterwards.</p>
<p>Best,</p>
<p>Guillaume</p>
<p>On Tue, 23 Mar 2010 13:36:05 +0100, Alexis Blasselle <alexis.blasselle@gmail.com> wrote:</p>
<blockquote style="border-left: 2px solid #1010ff; padding-left: 5px; margin-left: 5px; width: 100%;">Dear all, <br /><br />I can not understand why the volume(1) in the attached filed is not the one I am expecting to define:<br />it should be the union of the three extruded quarter of circle and of the part of the ball.<br /><br /> When commenting the current surface(1) and uncommenting all the other things, everything is ok.<br /><br />Maybe it is because of an orientation problem, but I've checked twice, and this does not explain that doing the union of the four volumes works perfectly.<br /> <br />I thank you for all your great work, and thank you in advance for your answers,<br /><br />Best regards,<br /><br />Alex<br /><br />-- <br /><a href="http://www.ann.jussieu.fr/~blasselle/">http://www.ann.jussieu.fr/~blasselle/</a><br /></blockquote>