Vermont Hardware Router Pantograph #C-23450 NOS New Never Used | eBay
PantoRouter
Pantograph - Milescraft
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
Milescraft 1221 Pantograph PRO - Complete Tracing Routing System for Custom Made Wood Signs , Black - - Amazon.com
Milescraft Pantograph Pro Kit | Design Wood Carving Router Kit