You create a cutting list based on a CAD drawing by assigning the correct dimensions, material type, and quantities to all parts in your 3D model; the software then automatically converts this data into a structured list of all the pieces to be cut. Modern CAD packages do this in seconds, without requiring you to count or retype anything manually. In this article, we answer the most frequently asked questions about creating a cutting list from a CAD drawing.

What exactly is included in a cutting list, and why is that important?

A cutting list is an overview of all the parts to be cut for a project, including the exact dimensions, quantities, and material specifications. Each part is listed on a separate line, so the workshop knows immediately what needs to be cut, from which material, and to what dimensions. Without an accurate cutting list, you increase the risk of errors, waste, and delays in the production process.

The cutting list serves as the link between the design and the production floor. A well-prepared list typically includes the following information:

• Part number or description of the part
• Length, width, and thickness of each piece
• Type of material (e.g., MDF, plywood, steel, or aluminum)
• Number of pieces per part
• Machining notes, such as milling depths or finishes

An accurate cutting list is of great importance. Errors in the list directly result in incorrectly cut parts, additional material costs, and rework. When the list is automatically generated from a CAD drawing, you eliminate most of the human errors that occur during manual entry.

How does CAD software automatically generate a cutting list?

CAD software automatically generates a cutting list by extracting the properties of each 3D part in the model—such as dimensions, material, and quantity—and exporting them to a structured file such as an Excel spreadsheet, CSV, or PDF. This process is based entirely on the model data you entered during the design phase.

In most cases, automatic generation works as follows:

1. You design your product or structure in 3D and assign a material type and name to each component.
2. The software reads all the parts from the model and automatically groups identical parts.
3. You select the desired output format, and the software exports the complete cutting list.
4. The list can be used directly in the workshop or sent to a CNC machine.

A major advantage of automatic generation is that changes to the design are immediately reflected in the cutting list. If you adjust a dimension in your drawing, the list updates automatically. This saves time and prevents you from working with outdated lists.

What CAD drawing information do you need to create an accurate cutting list?

To generate an accurate cut list, your CAD drawing must include at least the following information: the exact dimensions of each part, the assigned material, a clear name or part number for each component, and the number of times a part appears in the model. If any of this information is missing, the generated list will be incomplete or unusable.

In practical terms, this means that while you’re modeling, you need to consciously think about how you name and configure components. Here are a few specific points to keep in mind:

• Use consistent naming conventions for components so that identical items are grouped together in the list.
• Assign materials at the component level, not just as a visual property but as a property relevant to production.
• Take into account the kerf loss (the cut itself) if you want to optimize material usage.
• Check to make sure that all parts have been modeled correctly to scale, so that the dimensions in the list match the actual measurements.

A well-drawn CAD drawing therefore immediately produces a reliable cutting list, while a sloppy drawing results in a list that you still have to check and correct manually.

What is the difference between a cutting list and a parts list?

A cutting list focuses specifically on the parts to be cut, along with their rough dimensions, and is intended for use in the workshop or at the sawing machine. A bill of materials (also known as a BOM) is a broader list of all components in a product, including purchased parts, fasteners, and semi-finished products that are not cut. The bill of materials focuses more on purchasing and assembly, while the cutting list focuses on production.

This distinction is important in practice because the two lists are intended for different departments:

• The cutting list is sent to the production floor or CNC machine and contains only the parts to be manufactured.
• The bill of materials is sent to purchasing and logistics and includes all the materials and components needed for the final product.

Good CAD software can automatically generate both lists from the same 3D model. This way, you don’t have to enter the same information twice, and both lists always remain consistent with the design.

Can a cutting list also be sent directly to a CNC machine?

Yes, in many cases a cutting list can be sent directly to a CNC machine, but this requires the software to generate NC code in addition to the cutting list. A cutting list on its own contains dimensions and quantities, but a CNC machine needs machine-readable instructions to actually cut or mill. CAD software that supports NC code export combines both steps into a single workflow.

The process of linking a CAD drawing to a CNC machine typically involves the following steps:

1. Based on the 3D model, the CAD software generates both the cutting list and the corresponding NC codes.
2. The NC codes contain the exact machining instructions for the machine, such as cutting paths, depths, and tool changes.
3. The files are exported in a format compatible with the specific CNC machine (for example, DXF or a machine manufacturer-specific format).
4. The machine reads the instructions and performs the operations automatically.

This direct link between design and production is one of the biggest time-savers in the modern manufacturing industry. Errors caused by manually transcribing measurements are completely eliminated, and the lead time from design to finished product is significantly reduced. Check out the industries that benefit from this to see if your sector fits the bill.

Which CAD software is best suited for cutting lists in the manufacturing industry?

For the manufacturing industry, CAD software is most effective when it can automatically generate cutting lists, bills of materials, and NC codes from the same 3D model, without requiring you to switch systems in the process. An integrated approach is essential—especially for sectors such as furniture and interior design, metalworking, and mechanical engineering—to minimize errors and speed up production.

When selecting suitable CAD software solutions for cutting lists, these are the most important criteria:

• Automatic output: The software generates cutting lists, parts lists, and NC codes directly from the model.
• Material Optimization: Sheet optimization ensures minimal material waste during cutting.
• Flexibility: Changes to the design are immediately reflected in all lists.
• Fast learning curve: software you can master in a matter of days instead of months.
• Integration with CNC: direct export of NC codes to the machine without manual intervention.

How IronCAD Helps You Automatically Create a Cut List

IronCAD is Dynfos’ CAD solution, specifically designed for companies in the woodworking industry that want to automatically generate cutting lists from their 3D designs. The software intuitively combines 3D design with powerful production features, allowing you to move from drawing to production without having to manually retype or recalculate anything.

Here’s exactly what IronCAD does for you when creating a cutting list:

• Automatically generate cutting lists directly from the 3D model, including dimensions, materials, and quantities.
• Sheet optimization for minimal material loss when cutting sheets and profiles.
• NC code export for direct control of CNC machines, without the need for a separate CAM package.
• Automatic bill of materials and purchase lists that are always in sync with the design.
• Steep learning curve: Most users are up and running within a few days.

Would you like to see how IronCAD works in practice for your manufacturing process? Contact us for a no-obligation demonstration.