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    <title>tema Re: Issue with union of solids en AutoCAD Forum</title>
    <link>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450297#M1016948</link>
    <description>&lt;P&gt;There are gaps between the solids the Acad cannot deal with apparently.&amp;nbsp; Sliced at height of 20. gap is obvious.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;dave&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Slice.jpg" style="width: 999px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/755888iA3C98D1B20271446/image-size/large?v=v2&amp;amp;px=999" role="button" title="Slice.jpg" alt="Slice.jpg" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
    <pubDate>Fri, 17 Apr 2020 12:04:38 GMT</pubDate>
    <dc:creator>parkr4st</dc:creator>
    <dc:date>2020-04-17T12:04:38Z</dc:date>
    <item>
      <title>Issue with union of solids</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9449830#M1016931</link>
      <description>&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Hi All,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I'm having a few issues to make a union of some 3D solids.&amp;nbsp; I've had 2 errors so far (84003 and 84015). &amp;nbsp;&lt;/P&gt;&lt;P&gt;I have 3 solids. 2 of the solids were extruded and had an curve subtracted.&amp;nbsp; The 3rd solid was lofted from polylines and converted into a 3D solid.&amp;nbsp; In Qselect, all objects are solids, but union does not work with Autocad telling me that the Boolean operation cannot associate surfaces to solids.&amp;nbsp; I've attached the drawing.&amp;nbsp; Can anyone help please and tell me how to fix this.&amp;nbsp; This has been bothering me for some time now and I'm starting to lose my hair ;o)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks in advance,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Chris&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 17 Apr 2020 08:12:09 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9449830#M1016931</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-04-17T08:12:09Z</dc:date>
    </item>
    <item>
      <title>Re: Issue with union of solids</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450297#M1016948</link>
      <description>&lt;P&gt;There are gaps between the solids the Acad cannot deal with apparently.&amp;nbsp; Sliced at height of 20. gap is obvious.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;dave&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Slice.jpg" style="width: 999px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/755888iA3C98D1B20271446/image-size/large?v=v2&amp;amp;px=999" role="button" title="Slice.jpg" alt="Slice.jpg" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
      <pubDate>Fri, 17 Apr 2020 12:04:38 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450297#M1016948</guid>
      <dc:creator>parkr4st</dc:creator>
      <dc:date>2020-04-17T12:04:38Z</dc:date>
    </item>
    <item>
      <title>Re: Issue with union of solids</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450511#M1016964</link>
      <description>&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks a lot Dave,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I thought I checked all gaps ;o)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I extended the extrusions inward to cover the gaps but that gave me a related error (this time error 84028 for overlapping solids). But it seems a work-around is to slice all solids at regular intervals, then union the solids of each slice, and then union the unioned slices.&amp;nbsp; Worked like a charm! &amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks again, I can already feel my hair growing back ;o)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Chris&lt;/P&gt;</description>
      <pubDate>Fri, 17 Apr 2020 13:10:03 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450511#M1016964</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2020-04-17T13:10:03Z</dc:date>
    </item>
    <item>
      <title>Re: Issue with union of solids</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450549#M1016968</link>
      <description>&lt;P&gt;The cheat on this example is actually very easy.&amp;nbsp; copy the solids to the left and right one at a time with the lower outer corner as base point and paste e towards the central object along the bottom edges just a hair more than the gap widest width.&amp;nbsp; &amp;nbsp;That covers the gaps and as best as I can tell doesn't change the overall final object.&amp;nbsp; The 5 solids union perfectly well after that.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;dave&lt;/P&gt;</description>
      <pubDate>Fri, 17 Apr 2020 13:19:04 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/issue-with-union-of-solids/m-p/9450549#M1016968</guid>
      <dc:creator>parkr4st</dc:creator>
      <dc:date>2020-04-17T13:19:04Z</dc:date>
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