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RE: WORLD CHANGING IDEAS: open source ecology and the Global Village Construction set
That's interesting. It would take some investment to build up all those machines to create the big equipment. Anything to help folks be more viable, in an economical way, seems like a good thing.
The main investment for the user is time and effort (which they have a lot of) raw materials are not that expensive and can be from salvaged pieces in some cases.
There were at one point people who made and sold the life-trac tractor as a business too.
From the development perspective it is the prototyping and documentation that is a grind, not all the designs are going to work the first time around.. so they sometimes have to go literally back to the drawing board...
That's a good point about the effort it takes to do prototyping!