Double arrow in Inventor 2010

[jvs.139468]

I sometimes get into the situation where I need a dimension to have a double arrow on the one end, and at the same time it points to "nothing". A typical application would be if a small portion of a part is shown, but you need to refer to a point outside of the sheet (reference only) Surely that was a common practice in the old days in our environment.

Thanks

Johann

[jon.ottewell]

If I get what you're saying correctly, I'm picturing a detail view on a hole where one of the locator dimensions extends past the edge of the view. What I do in this case is dimension from the hole to the edge of the view, remove the edge-side extension line and arrow, and replace the dimension text with 'as noted'.

[mflayler]

Or you could just do a Linear Symmetric dimension. Make your selection and then changed the dim type in the right click menu to Linear Symmetric.

[jvs.139468]

Thanks Guys, did not even know about the existance of the linear symmetrical option. Problem solved. The learning curve will never end !