https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144530#M77545 Try to do it using the Revolved geometry method.<BR /> Also, check into what is possible with the Distortion Angle setting on a Revolved Shell. See if that can achieve what you are after. Tue, 19 Jul 2011 10:10:30 GMT Laszlo Nagy 2011-07-19T10:10:30Z https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144529#M77544 <DIV class="actalk-migrated-content"><T>I am trying to design a shell which will be circumscribed to a couple of vertical to each other ellipsoid reference levels like these ones in the attached image.<BR /> <BR /> Is there a way to do this???</T></DIV><BR /><IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/72933i4DE650680FF72C91/image-size/large?v=v2&amp;px=999" border="0" alt="shell_elipsoid.jpg" title="shell_elipsoid.jpg" /> Wed, 24 May 2023 17:03:59 GMT https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144529#M77544 Anonymous 2023-05-24T17:03:59Z https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144530#M77545 Try to do it using the Revolved geometry method.<BR /> Also, check into what is possible with the Distortion Angle setting on a Revolved Shell. See if that can achieve what you are after. Tue, 19 Jul 2011 10:10:30 GMT https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144530#M77545 Laszlo Nagy 2011-07-19T10:10:30Z https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144531#M77546 OK.. actually it is a solution but a draft one: I cannot control the length of the revolution axis, thus, it is impossible to give dimensions to the shape.. Tue, 19 Jul 2011 10:28:40 GMT https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144531#M77546 Anonymous 2011-07-19T10:28:40Z https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144532#M77547 The length of the Revolution Axis really reflects the extents of the Profile Polygon.<BR /> <BR /> But yeah, if the section of this shape is an ellipse in all of its 3 main directions that I don't think the Shell Tool can do it. Tue, 19 Jul 2011 12:18:42 GMT https://community.graphisoft.com/t5/Modeling/shell-designed-by-using-2-vertical-profiles/m-p/144532#M77547 Laszlo Nagy 2011-07-19T12:18:42Z