Catia file
http://www.mediafire.com/file/oalrv4o3zknn10n/Iris_mechanims_catia_V5R21.7z/file
Other iris mechanism
https://youtu.be/UQLBGAahHFg
Car Sliding Door Linkage
https://youtu.be/4nEqhAtW8jo
# Leg mechanims
https://youtu.be/lWFIlfR2pmM
#Koenigsegg Car Door Mechanims
https://youtu.be/9h0KkOOYLd8
#Four cylinder simulation
https://youtu.be/5s8SWI4PXGo
