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How to make a cardboard mechanical iris - Iris Calculator
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3D Design of a Mechanical Iris : 9 Steps (with Pictures) - Instructables
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Paper Mechanical Iris Diaphragm - Iris Calculator
Download in print this paper mechanical iris diaphragm. #PaperCraft #Mechanical #Aperture #Iris | Paper crafts cards, Paper mechanics, Card making techniques
3D Design of a Mechanical Iris : 9 Steps (with Pictures) - Instructables