Although this Marionette Object is very project-specific, I thought it would be nice to share it because this is our first built example of a facade where we used Marionette Objects to model its key features.
In short this Marionette Object generates the shape of the balcony in plan based on parameters set by the user. Then it takes a 2D symbol and uses Extrude along Path to extrude the symbol along the curved side of the balcony.
Here are some forum threads where you can see me struggling with my first marionette networks for this project:
Special thanks to @Marissa Farrell and @DomC for their help.
I hope this example from Marionette to built reality inspires others!