Cool Tools: The Pantorouter Turns Tracing On Its Side | Hackaday
Building the pantograph
3-D router pantograph
3-D pantograph plans
Building the router pantograph by matthias wandel, - YouTube
The first commercially available all-metal Router Pantograph. Make mortise and tenon joints super quick and easy; very unique. Higher-res photo and info in comments [975x717] : r/toolporn