Camera Lens Hood
thingiverse
I'm making my own camera lens hood because prices vary wildly - you can get one for as little as $20 or as much as $100. I used Inventor to design mine and printed it out on our school's 3D Printer, which is a MakerBot Replicator 2. The lens hood fits perfectly on my Canon 7D 28-135mm lens, and it should work just fine for any camera that uses a 28-135mm lens.
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