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A machine like my second build/ my current machine/ will do incremental sheet forming with small ball pointed tool given that the steel sheet / DC04 or similar <1.3mm/ is stretched in a rigid 10mm...

For the incremental sheet forming Ford's machine gives you an idea of the size and weight required for car body steel -

https://www.youtube.com/watch?v=iNQ40MYwZqw

It's a 6 axis machine as it...

Freddi,

Firstly save yourself the trouble of messing with Pi's and use a controller capable of slaving axes. Mach3 can slave axes but you could even just write the GCode in a way that makes use of...