The result is a rather pretty marble machine that makes an endless cascade of falling marbles on a curved track. We’re guessing that future videos will deal with the assembly of lines for the ...

with the ramp carved out with a slot mortising machine. To make the side cuts on each block, [Matthais] used his pantograph router and a jig that cuts the wood for marble inputs on either side.

A fleet of marble-sculpting robots is carving out the future of the art world. It's a move some artists see as cheating, but ...