This is a great group for people interested in building their own CNC machines and converting manual machines to CNC. There is a lot of discussion about the practical issues of getting started. There is a lot of crossover between this group and other specialized machine groups.
This is a great group for learning about the 9x20 class lathes. There is information on getting started with your new 9x20 lathe. There is information on the modifications that many people consider necessary in order for them to be useable. There is also a lot of good information on how to use them successfully. Finally there is a lot of information about accessories and tooling that you can make yourself using your 9x20 lathe.
This is a great group for learning about the the hobby of metal casting. There is information on getting started as well as help from some professionals.
This is a great group for people interested in building their own machine tools. There is a lot of discussion about the practical issues of getting started, as well as modifications that people have done to "make the machine their own". There is a lot of crossover between this group and the hobbicasting group.