6-blades sliding iris mechanism-rack and pinion structure. Parts are designed for laser cutting. It can be used on DIY projects. You can drive the mechanism by hand or motor.
You can get the files and make it by yourself：
https://www.cgtrader.com/monk3947
https://cults3d.com/en/users/Tanerxun/creations
https://www.etsy.com/shop/TanerXun
