In September 2015, nearly a year (2 months of which was procrastination) after wiring, it was definitely time to get the wires off! The tree has grown just fine all year.
When the wire is cut, I twist just a bit clockwise to loosen the coil:
And the wire comes off with minimal bark damage:
With the wire gone, it’s time to shape the tree. Not as aggressively as last fall this time…
Not bad for 3 1/2 years. 3/2012: