https://community.graphisoft.com/t5/Modeling/Polygones/m-p/187758#M101768 Find the element by selecting different areas in floor plan with the marquee and using "show selection in 3D" until you figure out which one is giving the problem and then fix it. Fri, 23 Aug 2013 19:10:01 GMT Eduardo Rolon 2013-08-23T19:10:01Z https://community.graphisoft.com/t5/Modeling/Polygones/m-p/187757#M101767 <DIV class="actalk-migrated-content"><T>What can I do when polygons are degenerated ? Please advise !</T></DIV> Fri, 23 Aug 2013 14:48:04 GMT https://community.graphisoft.com/t5/Modeling/Polygones/m-p/187757#M101767 Martin Jules 2013-08-23T14:48:04Z https://community.graphisoft.com/t5/Modeling/Polygones/m-p/187758#M101768 Find the element by selecting different areas in floor plan with the marquee and using "show selection in 3D" until you figure out which one is giving the problem and then fix it. Fri, 23 Aug 2013 19:10:01 GMT https://community.graphisoft.com/t5/Modeling/Polygones/m-p/187758#M101768 Eduardo Rolon 2013-08-23T19:10:01Z