This dimensionally accurate model can be used when designing machines - CNC or other. Bolt hole sizes and power supply face are exact duplicate of original can be used to define mounting bracket configuration appropriate for CNC machining or CNC plasma cutting of brackets. The AutoCad .dwg has block attributes that may be listed using eattext command & exported to excel file for materials list. Block attributes include part name, number, manufacturer, hyperlink to supplier's website, among others. Some file formats have materials defined, or add your own materials.