[I-M-S]

Both of you might be interested to check out "How to Invent Everything" [1] - it's even got flowcharts the kind you mention at the end! [2]

[1] https://www.howtoinventeverything.com/ [2] https://mohamadacma.com/content/images/2022/04/825235c6-665f...

[BoxOfRain]

Cheers for this, looks interesting!