If you’re working with small parts, even the smallest table saw available at Home Depot or Lowes is generally overkill. For cutting up ... out of 1/4″ aluminum plate with a 1/15 horsepower ...

hand-cut aluminium alloy plate, nary a CNC tool in sight. The only unusual component is the saw blade itself, which might be a bit tricky to track down if you were so inclined to reproduce the build.