https://forums.autodesk.com/t5/inventor-forum/symmetrical-pattern/m-p/5775443#M364110 <P>I would simply create a parallel workplane amnd use a parameter to drive the postion.</P><P>Go to user parameters and create a parameter "Plane_Distance", make it 12 per your example</P><P>Plane A would be Plane_Distance/2 from the origin plane and so on</P><P>Couple of quick keystrokes moves the planes on the fly and keeps all of your constraints</P><P>&nbsp;</P><P>Obviously I am missing something because I cannot seem to mirror a plane on its own</P> Tue, 18 Aug 2015 10:09:15 GMT Anonymous 2015-08-18T10:09:15Z