<html><head></head><body><div><br></div><div><br></div><div>On Fri, 2018-04-06 at 12:35 -0500, Juan E. Sanchez wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><pre>Hello Jeremy,</pre><pre><br></pre><pre>Is my understanding correct that there would only be one material volume </pre><pre>per brep file? I would use freecad, but it seems painful to try to </pre></blockquote><div><br></div><div>no</div><div><br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><pre>import one brep per material into gmsh, and then attempt to get gmsh to </pre><pre>merge the interfaces. I thought Coherence might not work very well, and </pre><pre>performing a boolean fragments operation on multiple brep volumes might </pre><pre>not work either.</pre><pre><br></pre></blockquote><pre><br></pre><pre>you can either create a compsolid in freecad and then export just the compound object as brep. Each individual feature will be considered a different volume.</pre><pre>Or you can select all the individual features you want to export as different volumes, export them as brep and "Coherence" them after merging in Gmsh.</pre><pre><br></pre><pre>--</pre><pre>jeremy</pre><pre><br></pre></body></html>