https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178832#M97201 I think this has been addressed somewhere else but you need to save the 3D view as a 3D document 1st and then the tools are available.<BR /> <BR /> Cheers, Thu, 02 Oct 2008 19:45:58 GMT Gerald Hoffman 2008-10-02T19:45:58Z https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178831#M97200 <DIV class="actalk-migrated-content"><T>When I go to the 3D document window, the linear dimension tool is locked and I cant press it. Why is this happening?<BR /> <BR /> Thanks in advance!</T></DIV> Fri, 26 May 2023 12:45:30 GMT https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178831#M97200 Anonymous 2023-05-26T12:45:30Z https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178832#M97201 I think this has been addressed somewhere else but you need to save the 3D view as a 3D document 1st and then the tools are available.<BR /> <BR /> Cheers, Thu, 02 Oct 2008 19:45:58 GMT https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178832#M97201 Gerald Hoffman 2008-10-02T19:45:58Z https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178833#M97202 ruben, I see you are using INT.<BR /> That might be true for INT version,or other versions, I really don't know.<BR /> However, I immediately have dimensioning active <BR /> once 3dd is created in U.S. build 2285.<BR /> It automatically switches to 3dd <BR /> Bier Fri, 03 Oct 2008 02:14:48 GMT https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178833#M97202 Anonymous 2008-10-03T02:14:48Z https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178834#M97203 Thanks a lot, <BR /> I didn't now about 3D documents. <BR /> I owe you one! <BR /> <BR /> Cheers! Fri, 03 Oct 2008 13:50:35 GMT https://community.graphisoft.com/t5/Modeling/3D-dimensions/m-p/178834#M97203 Anonymous 2008-10-03T13:50:35Z