For educational purposes, I present a simple assembly of 4 components, each with a video tutorial, the last link contains the assembly instructions.
How to create a mechanical part using CATIA Part Design Actuation handle
How to create a mechanical part using CATIA Part Design Curved closing plate
How to create a mechanical part using CATIA Part Design Valve body
How to create a mechanical part using CATIA Generative Shape Design Spring
These are the components of this assembly:
