There’s an obvious X-axis spoilboard with holes for fixturing material, mounted to a gantry for Z-axis travel. Below the big friendly handle on top is the router attached to its own Y-axis carriage.

Do it yourself CNC machines can be never ending projects ... rather than the moving gantry of TheMaker1. The frame is made up of galvanized steel stock, which makes it much stronger than many ...

For those not familiar, small shop CNC routers mount the handheld routers that nearly every woodworker has in their shop on a gantry ... non-rectilinear shaped parts to be accurate and identical.