Nikon Iris Lens Cover

This is a lens cover hood combo. It was made using
sketchpunk's "Mechanical Iris" visit,like, and follow his page linked below for assembly instructions of the iris.
http://www.thingiverse.com/thing:773759
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PrototypeProfessor's "Nikon 18-55 af Lens hood" you should also visit, like, and follow his page linked below for a video explaining the functionality of the lens hood he created. This design may not support some of the mentioned fish eye effects, but will work on making it fit.
http://www.thingiverse.com/thing:1600188

This cover and hood combo was designed to fit
"Nikon DX AF-S NIKKOR 55-200mm1:4-5.6G ED" lens pictured above.
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"Nikon DX AF-S NIKKOR 18-55mm1:3.5-5.6G ED"
two small screw hole are on the side of the base to allow added security if felt needed.

This design has not been tested with additional filters and lens effects fitted on the end of the camera anyone who cares to do so please let me know how it holds up and provide pictures because corrections ca