My Customized Locking key for Ultimaker filament feeder (aka "extruder")
thingiverse
A tailored version of http://www.thingiverse.com/thing:25436 was created using the Customizer at http://www.thingiverse.com/apps/customizer/run?thing_id=25436 with specifications including arm height 1 and 2 set to 13 and 17 respectively, handle width of 20, arm width as 6, arm length as 20, fill style as solid and an outline.
Download Model from thingiverse
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