There is a huge variety of materials out there that can be machined using a CNC router, but I will be covering the materials that we CNC cut or engrave on a regular basis.
The four main material categories we commonly machine are wood, plastic, resin board and aluminium.
I will start with wood as it is certainly the most common material to CNC machine. There are literally hundreds of woods out there but the most popular types for CNC routing are the engineered woods pictured below.
MDF (Medium-Density Fibreboard)