Hello Guys ,
this link shows how to break slab by model lines .i tried it and it works but it works only when you open default Revit file and on level 01 but if i draw the slab on any other level it doesn’t work even if i changed the desired level from editing custom node.Create Slabs As Per Construction Joints By Model Lines.dyn (14.3 KB)
http://dynamobim.org/forums/topic/dynamo-for-general-contractors/#post-38320