printed fine on my mk3s at 20 quality. had a single moment of resistance the first time, then the motion was smooth.
Look, this design is a poor design for an iris. It doesn't serve a purpose, it's floppy, it's difficult to print. It was a really fun mental exercise though.
For those of you who are mechanically inclined and you've printed this and you're thinking to yoruself… why didn't he make the leaves in a track so it would be rigid? because I was basically doodling and didn't really think about it till I was halfway through this description. deal with it.
The author marked this model as their own original creation.