Rock Solid IPhone 4 Bumper

*** This thing is obsolete. Check out the newer version at http://www.thingiverse.com/thing:24734 ***
Super tight, rock solid bumper for IPhone. No wobbling, shaking, cracking whatsoever.
Over 40 trials to bring you the perfect product!
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Supplied G-code is with these settings:
Layer 0.15mm
Temp 208'C
Feed 60mm/s
Traveling speed 400mm/s
Machine center 80 * 130
Nozzle size 0.4mm
Filament 2.89mm dia
Fill 100%