The best router for sign making is the FoxAlien CNC Router Machine 4040-XE. This machine is efficient, easy to assemble, and works on all types of materials. Other excellent routers are the Snapmaker 2.0 Modular 3-in-1 3D Laser Engraving CNC Machine and BobsCNC Evolution 4 CNC machine. These CNC machines are versatile and capable of simplifying all your tasks.