....but how many hobbyists have a CNC Cutter that will take a sheet of balsa?
One hope for the original site was that free simple starter plans would attract more youngsters to the hobby - youngsters are at school, and schools should have decent CNC cutters in their workshops... the smaller EeZeBilts only need a sheet a foot long anyway.
I remember that there also used to be council-provided workshop facilities in some places - though I don't know what is happening now...Perhaps clubs might get one - you probably have a friend who has one...
For the bigger EeZeBilts. you are right that a typical hobby CNC cutter has a base about 1ft square. while sheets of balsa are typically 1yd x 4in. Cutters with a big base tend to be expensive commercial ones, and huge to keep in a house or shed. What I did was go to these people:
[size=78%]
https://amberspyglass.co.uk/store/eshapeoko-cnc-milling-machine-mechanical-kit.html[/size]
Here you can specify the size of machine you want, and it's cheaper to assemble it yourself. I got an X axis at 1m, and a Y axis at 500mm. It's thin enough to store in the spare room, ideal for wood, and has no difficulty cutting aluminium. I haven't tried steel, but I can't see that it would be a problem.