https://community.graphisoft.com/t5/Installation-update/Catastrophic-Window-Ug/m-p/186940#M20234 <DIV class="actalk-migrated-content"><T>So I've got many windows that use the CUSTOM MULLION sash arrangement... I edit them in 3d.... Then, when I go back and edit anything else (like U Factor, for example)... the mullions change (back to original, I guess.)<BR /> <BR /> ugh.. this can't be the intended way, right?</T></DIV> Tue, 08 Jul 2014 23:22:57 GMT vfrontiers 2014-07-08T23:22:57Z https://community.graphisoft.com/t5/Installation-update/Catastrophic-Window-Ug/m-p/186940#M20234 <DIV class="actalk-migrated-content"><T>So I've got many windows that use the CUSTOM MULLION sash arrangement... I edit them in 3d.... Then, when I go back and edit anything else (like U Factor, for example)... the mullions change (back to original, I guess.)<BR /> <BR /> ugh.. this can't be the intended way, right?</T></DIV> Tue, 08 Jul 2014 23:22:57 GMT https://community.graphisoft.com/t5/Installation-update/Catastrophic-Window-Ug/m-p/186940#M20234 vfrontiers 2014-07-08T23:22:57Z