Beefier Extruder Idler Lever Arm

emmett's extruder was one of the first upgrades I added to my Replicator 1, back in the summer of '12. It was an immediate improvement. Thanks emmett!

It's been in daily use ever since and performed great. In recent weeks, however, I began experiencing sporadic instances of ghost printing. I just couldn't quite figure out what was causing it. So frustrating!

Then I noticed a teensy crack at the filament feed hole in emmett's lever. I remodeled it slightly to make it beefier there.

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