Website: thingiverse
Author: nraynaud
Price: Free Download
File format: .Stl 3d printable
Description:
A remix of this iris mechanism: http://www.thingiverse.com/thing:3210454I posted the Fusion 360 file too, it shows a bit how work with meshes.The iris is designed slightly offset from its actual working position so that the petals don’t touch each other during the printing.