Linkage msphysics

Hello everyone, this is my first topic, could someone help me make this linkage with Msphisics, follow the model link
I only need the movement of the three bars that he simulates in 1:50 minutes of the video thanks, follow the link. https://www.youtube.com/watch?v=Lf0Yg3JYd2Ymsphysics

hi, i’m newbie, I also wait to learn more