https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70709#M36153 <DIV class="actalk-migrated-content"><T>i cant find a way for unlock in slab <BR /> slab just lock in 300 mm and<BR /> where i cant find a way for change for change it in which tolbar plz</T></DIV> Thu, 25 May 2023 15:59:00 GMT Anonymous 2023-05-25T15:59:00Z https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70709#M36153 <DIV class="actalk-migrated-content"><T>i cant find a way for unlock in slab <BR /> slab just lock in 300 mm and<BR /> where i cant find a way for change for change it in which tolbar plz</T></DIV> Thu, 25 May 2023 15:59:00 GMT https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70709#M36153 Anonymous 2023-05-25T15:59:00Z https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70710#M36154 You must select the right structure (not fixed structure) Sun, 27 Aug 2006 20:45:33 GMT https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70710#M36154 Anonymous 2006-08-27T20:45:33Z https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70711#M36155 I think Archi User 77 is suggesting you use a regular fill, not a composite fill for section properties. A composite's thickness is not variable without modifying the composite itself.<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/16346i61503BD258528F6B/image-size/large?v=v2&amp;px=999" border="0" alt="fills.jpg" title="fills.jpg" /> Sun, 27 Aug 2006 21:21:41 GMT https://community.graphisoft.com/t5/Modeling/again-problem-in-slab-plz-help/m-p/70711#M36155 Anonymous 2006-08-27T21:21:41Z