There was a Roomba equivalent company out there, which would have wheels that drive the motor around, but they never shipped. Maslow moves itself by pulling on belts on fixed anchor points.
The Shaper Origin has you move the machine, and it makes corrections using machine vision to track its position. It will give you more accuracy than a Maslow; but at a much greater cost and more attention.
A jig saw does not make as clean cuts as a router, and you need to have the workpiece suspend so the blade can go through the work. With a router, you can just have a spoilboard underneath.
The Shaper Origin has you move the machine, and it makes corrections using machine vision to track its position. It will give you more accuracy than a Maslow; but at a much greater cost and more attention.
A jig saw does not make as clean cuts as a router, and you need to have the workpiece suspend so the blade can go through the work. With a router, you can just have a spoilboard underneath.