Chris Fenton has released the files allowing you to build your own 3D printable mechanical computer.
This is is a simple, 3D-printable (caveat: It requires some springs, bearings, rubber bands, and nuts/bolts), fully-mechanical computer. It has 3, single-digit base-10 counters for memory, and processes a chain of 10-position punch cards. With the included program, it will compute the first few digits of the Fibonacci sequence.
You can find project details on Chris Fenton’s website.
This is a very neat-o thing. More!
I’ve studied Fenton’s design and it appears to provide inverse reactive current for use in unilateral phase detractors. But is it capable of automatically synchronizing cardinal grammeters? The power is being generated by the relative motion of conductors and fluxes, so I seriously doubt it! Mr. Fenton would do well to look into implementations of the normal lotus o-deltoid type windings.