2 EE's saw this as a user was looking for a command line (like in AutoCAD) and 2 other EEs saw it as the user is looking to draw a line in an Inventor drawing.
So @stephensashley which thing were you looking for? 
Mark Lancaster
& Autodesk Services MarketPlace Provider
Autodesk Inventor Certified Professional & not an Autodesk Employee
Likes is much appreciated if the information I have shared is helpful to you and/or others
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