Nishant Agarwal Posted August 21, 2011 Share Posted August 21, 2011 semi hollow sphere Quote Link to comment Share on other sites More sharing options...
JD Mather Posted August 21, 2011 Share Posted August 21, 2011 (edited) semi circle revolve as Mode SU (surface) thicken Edited September 1, 2011 by JD Mather Quote Link to comment Share on other sites More sharing options...
Nishant Agarwal Posted August 22, 2011 Author Share Posted August 22, 2011 Thanks you very much sir!! Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 Sorry to restart a dead thread, but I tried this for practice. When i selected the revolved semicircle to thicken i got a message saying no surfaces selected; even though, it considered it a surface to select it in the first place. Any thoughts? Quote Link to comment Share on other sites More sharing options...
Nishant Agarwal Posted September 1, 2011 Author Share Posted September 1, 2011 Hi Shawn...what I think is that you can't thicken a solid ...a surface however is created if you try to thicken a ployline. if you want extrude a soid you have to look for solid editing command Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 When i create a semicircle with the arc command, and then revolve 180 degrees, I am left with a solid semi-sphere. Would I have to use a cutting method or maybe the loft command to make it a spherical shell? Quote Link to comment Share on other sites More sharing options...
SLW210 Posted September 1, 2011 Share Posted September 1, 2011 When i create a semicircle with the arc command, and then revolve 180 degrees, I am left with a solid semi-sphere. Would I have to use a cutting method or maybe the loft command to make it a spherical shell? Try using the _SOLIDEDIT>_BODY>_SHELL. Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 That seems to work. Thanks Hulk aka SLW210. Quote Link to comment Share on other sites More sharing options...
JD Mather Posted September 1, 2011 Share Posted September 1, 2011 Works for me. So easy! Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 Might be an issue with the edition of autocad. I am stuck in 2008, and when i use the revolve command on my arc, it gives me a solid, not a surface. Quote Link to comment Share on other sites More sharing options...
rkent Posted September 1, 2011 Share Posted September 1, 2011 Might be an issue with the edition of autocad. I am stuck in 2008, and when i use the revolve command on my arc, it gives me a solid, not a surface. It might be the difference between the two releases, but in JD's example a surface was created, he forgot to mention that during the revolve command there is a MOde option to choose between surface and solid. Quote Link to comment Share on other sites More sharing options...
Rewind23 Posted September 1, 2011 Share Posted September 1, 2011 cool idea..makes it more easy to create 3d drawings. learned again something new Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 I don't get a choice in the revolve directions that lets me select between surface and solid. From reading the help section it seems that it should automatically create a surface, unless the object being revolved is closed. Since my arc is open, I don't know why it decides to make it a solid. Quote Link to comment Share on other sites More sharing options...
Rewind23 Posted September 1, 2011 Share Posted September 1, 2011 @shawn- i believed in the latest version of Autocad(2010/2011/2012) they have this Surface 3D Option, while in the older version it only support Solid for 3d modelling..btw, the 3d surface option should be selected first before executing the revolved command in order to create that semi-hollow sphere.. Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 I am going to check throught the settings to see if i can find a way to make it work. If i just draw a line at 45 degrees and revolve around the x-axis, I get a surface. Gives me hope i can make the arc do the same. Unfortunately, I have to record the temperature data for all of last year into an excel sheet ATM. Menial intern work . Oh and thanks to everyone who has and continues to give me advice. I appreciate the time spent in answering my basic questions lol Quote Link to comment Share on other sites More sharing options...
Cad64 Posted September 1, 2011 Share Posted September 1, 2011 Why don't we take a slightly different approach. See below. Quote Link to comment Share on other sites More sharing options...
ShawnTTCoop Posted September 1, 2011 Share Posted September 1, 2011 That method works perfectly. Thanks Cad64. Quote Link to comment Share on other sites More sharing options...
ReMark Posted September 1, 2011 Share Posted September 1, 2011 Might be an issue with the edition of autocad. I am stuck in 2008, and when i use the revolve command on my arc, it gives me a solid, not a surface. I tried it using plain AutoCAD 2007 and I got a revolved surface. Quote Link to comment Share on other sites More sharing options...
Rewind23 Posted September 1, 2011 Share Posted September 1, 2011 @shawn - or you can try this if surface is not available in the version youre using..i use the solid option.in addition to Mr.CAD64.i created the arc.i gave it thickness and then i revolve only half of the arc see number 2. hope it helps. Quote Link to comment Share on other sites More sharing options...
nestly Posted September 1, 2011 Share Posted September 1, 2011 Solid vs Surface depends on what's being revolved. [video=youtube;u2sIU-QmYJQ] Quote Link to comment Share on other sites More sharing options...
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