you could look at this very early example I built 12 years ago, more parts available now and the meta for cascade has changed, but may give you some ideas.
About three years ago I posted an animation of a conceptual triple lift to try and explain what team 1103 had done for roundup.
https://vexforum.com/showpost.php?p=189388&postcount=171
I never had a chance to build the lift, team 8888 did build another variation for gateway but it was slow and heavy.
So here is a preview of a new lift design I’m working on, not many details, there’s no CAD and I probably won’t have time to develop this much more. It’s only three stages at present and uses tw…