https://forums.autodesk.com/t5/autocad-forum/cannot-use-parametric-constraint-on-extruded-object/m-p/5554387#M336817 <P>Thanks JDMather, I am wondering if there is a way to unextrude to a new length. I have attached later version of this file.</P> Tue, 24 Mar 2015 07:45:03 GMT Anonymous 2015-03-24T07:45:03Z