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    <title>topic Solid element operations problem in Modeling</title>
    <link>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248585#M131530</link>
    <description>&lt;DIV class="actalk-migrated-content"&gt;&lt;T&gt;Hello,&lt;BR /&gt;
 I have problem with solid element operations. When I subtract wall with roof then filled air space. Whats wrong?&lt;/T&gt;&lt;/DIV&gt;&lt;BR /&gt;&lt;IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/73348iCAE83AB0CF45528B/image-size/large?v=v2&amp;amp;px=999" border="0" alt="subtract.jpg" title="subtract.jpg" /&gt;</description>
    <pubDate>Tue, 23 May 2023 12:27:42 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2023-05-23T12:27:42Z</dc:date>
    <item>
      <title>Solid element operations problem</title>
      <link>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248585#M131530</link>
      <description>&lt;DIV class="actalk-migrated-content"&gt;&lt;T&gt;Hello,&lt;BR /&gt;
 I have problem with solid element operations. When I subtract wall with roof then filled air space. Whats wrong?&lt;/T&gt;&lt;/DIV&gt;&lt;BR /&gt;&lt;IMG src="http://community.graphisoft.com/t5/image/serverpage/image-id/73348iCAE83AB0CF45528B/image-size/large?v=v2&amp;amp;px=999" border="0" alt="subtract.jpg" title="subtract.jpg" /&gt;</description>
      <pubDate>Tue, 23 May 2023 12:27:42 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248585#M131530</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2023-05-23T12:27:42Z</dc:date>
    </item>
    <item>
      <title>Re: Solid element operations problem</title>
      <link>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248586#M131531</link>
      <description>When you do an SEO, you have a choice of the trim &lt;BR /&gt;
New Surfaces of target: to choose either &lt;BR /&gt;
 'inherit attributes of operator' &lt;BR /&gt;
or&lt;BR /&gt;
 'Use their own attributes'. &lt;BR /&gt;
&lt;BR /&gt;
It looks like you chose the first option which turns the part of the roof that trimmed the wall to be the same material as the wall.&lt;BR /&gt;
&lt;BR /&gt;
Instead, use the second option.</description>
      <pubDate>Wed, 25 Feb 2015 14:50:12 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248586#M131531</guid>
      <dc:creator>Erika Epstein</dc:creator>
      <dc:date>2015-02-25T14:50:12Z</dc:date>
    </item>
    <item>
      <title>Re: Solid element operations problem</title>
      <link>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248587#M131532</link>
      <description>&lt;BLOCKQUOTE&gt;Erika wrote:&lt;BR /&gt;When you do an SEO, you have a choice of the trim &lt;BR /&gt;
New Surfaces of target: to choose either &lt;BR /&gt;
 'inherit attributes of operator' &lt;BR /&gt;
or&lt;BR /&gt;
 'Use their own attributes'. &lt;BR /&gt;
&lt;BR /&gt;
It looks like you chose the first option which turns the part of the roof that trimmed the wall to be the same material as the wall.&lt;BR /&gt;
&lt;BR /&gt;
Instead, use the second option.&lt;/BLOCKQUOTE&gt;

Im using ,,Use their own atributes". When I trim with SEO always walls tops painted.  &lt;BR /&gt;
&lt;BR /&gt;
If i use first option. I added photo.</description>
      <pubDate>Wed, 25 Feb 2015 18:22:24 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Modeling/Solid-element-operations-problem/m-p/248587#M131532</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2015-02-25T18:22:24Z</dc:date>
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