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Elliptical Dome
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John Connor 
Senior Member 
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
 Posted: 05.Oct.2013 at 23:50 |
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One. I used AutoCAD 2013.
Two. There is no "app". All commands can be found in AutoCAD. |
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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mmaurigi
Groupie 
Joined: 21.Oct.2012 Location: United States Using: AutoCAD 2009 Status: Offline Points: 43 |
Posted: 05.Oct.2013 at 22:59 |
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Is that app available for 2013?
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John Connor
Senior Member
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
Posted: 05.Oct.2013 at 22:17 |
 This is how I did it. By the way, it is a revolvedsurface. You can union the four pieces together to form a regular surface then you can use the Thicken command to turn it into a solid. Edited by John Connor - 05.Oct.2013 at 22:23 |
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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John Connor
Senior Member
Joined: 01.Feb.2011 Location: United States Using: AutoCAD 2018 Status: Offline Points: 7175 |
Posted: 05.Oct.2013 at 12:42 |
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A dome like that can be constructed in 3D with a segment of an ellipse that is revolved. Did you want to end up with a surface or a solid?
Edited by John Connor - 05.Oct.2013 at 22:20 |
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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."
<<AutoCAD 2015>> |
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SEANT
Groupie
Joined: 09.Jan.2012 Location: United States Using: AutoCAD 2016 Status: Offline Points: 31 |
Posted: 05.Oct.2013 at 11:57 |
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Here is the elliptical shape you described. It was produced by an plugin app that, unfortunately, is not available for AutoCAD 2009.uploads/244286/Ellipsoid.dwg
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mmaurigi
Groupie
Joined: 21.Oct.2012 Location: United States Using: AutoCAD 2009 Status: Offline Points: 43 |
Posted: 04.Oct.2013 at 21:21 |
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Can someone help me with how I can create a 3D model of an elliptical dome?
The ellipse dimensions are 14"wide x 18" long and the dome is 4" high. This would be the cover for an elliptical manway on a pressure vessel.
Like this:
Thank you.
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