CNC Prototype Machining: Everything You Need to Know

In recent years, CNC prototype machining has emerged as a game-changer in the world of manufacturing and product development. As businesses seek faster, more cost-effective, and more precise methods to create prototypes, CNC machining has risen as an attractive alternative to traditional manufacturing methods like casting, injection molding, and manual machining.

This innovative approach uses advanced computer numerical control (CNC) technology to craft high-quality prototypes with exceptional accuracy. Unlike traditional processes, CNC prototype machining allows companies—especially small businesses and startups—to experiment, innovate, and test new ideas without incurring prohibitive costs.

This article explores CNC prototype machining in detail, including its principles, advantages, limitations, material options, and practical strategies for optimizing costs.

What is CNC Prototype Machining?

CNC prototype machining is a process that utilizes computer-aided design (CAD) models and CNC programming to guide machinery in creating prototypes or final components from various materials. It is a subtractive manufacturing process, meaning the material is removed from a solid block (workpiece) to achieve the desired shape.

🛠️ What Are the Four Steps in the CNC Prototyping Machining Process?

Ever wondered how a simple idea turns into a real, solid part using CNC prototyping? 🤔 It might seem like magic, but it actually follows four straightforward steps. Each step plays a crucial role in turning your design into a precise prototype.

🖥️ Step 1: Design the Part (CAD Modeling) 🎨

The journey starts with a design on a computer. This is where you create a 3D model of the part you want to make.

🔍 How it works:

• Engineers use CAD software (Computer-Aided Design)to sketch the part.
• The model includes all the details—like size, shape, holes, and surface features.
• Every measurement and specification is locked in here—so the CNC machine knows exactly what to do.

💡 Real-Life Example:
Think about designing a custom phone stand. You’ll add slots for charging cables, angled supports for stability, and engrave your name if you want!

🎯 Pro Tip:
Simple designs are cheaper and faster to machine. If you don’t need fancy curves or tiny holes, keep it straightforward!

🛠️ Step 2: Convert the Design into Machine Code (CAM Programming) 🧠

Now, the computer model needs to “speak the machine’s language.” That’s where CAM software (Computer-Aided Manufacturing) comes in.

🔍 How it works:

• The CAD file is converted into G-code.
• G-code is like a recipe for the CNC machine—telling it where to move, how fast, and how deep to cut.
• The machine operator checks the program to make sure everything is set up correctly.

💡 Real-Life Example:
Imagine you’re baking cookies 🍪. The CAD design is like the cookie shape template, and the G-code is like the step-by-step recipe for the machine to follow.

🎯 Pro Tip:
Even though machines are super precise, a quick program test can catch mistakes before the real machining starts.

⚙️ Step 3: Set Up the CNC Machine 🔩

Now it’s time to get the machine ready. Without a proper setup, even the best design won’t turn out right.

🔍 How it works:

• The workpiece(material block) is secured so it doesn’t move during machining.
• The cutting tools(like drills, mills, or lathes) are installed.
• The machine settings(like speed, feed rate, and depth) are fine-tuned based on the material being used.

💡 Real-Life Example:
Think of this like setting up a barbecue grill. You need the right tools, the correct heat, and the ingredients ready before you start cooking.

🎯 Pro Tip:
Double-check the workpiece placement—even a tiny misalignment can lead to a costly error.

🏎️ Step 4: Machine the Prototype and Inspect the Final Part 🛠️

This is where the magic happens! The CNC machine follows the programmed instructions to cut, carve, and shape the prototype.

🔍 How it works:

• The machine starts cutting the material, following the G-code instructions
• As the machine works, it removes layers of material—like a sculptor chiseling a statue.
• Once machining is complete, the part goes through a quality check to ensure it meets all the specifications.

💡 Real-Life Example:
Imagine you’re using a 3D printer, but instead of adding layers, the CNC machine is removing layers to create the final part.

🎯 Pro Tip:
Use calipers or a CMM (Coordinate Measuring Machine) to double-check critical dimensions—especially for tight-tolerance parts.

🔍 Quick Recap of the Four Steps

🛠️ Step	⚙️ What Happens
🖥️ Design the Part	Create a 3D CAD model of the prototype.
🧠 Program the Machine	Convert the CAD model into machine-readable G-code.
🔩 Set Up the Machine	Secure the material and prepare the tools.
🛠️ Machine & Inspect	Cut the part and check for accuracy.

🎯 Why Are These Steps So Important?

CNC prototyping machining isn’t just about cutting material—it’s about precision, consistency, and efficiency. Skipping or rushing through any step can lead to:

• Defective parts🚨
• Wasted materials💸
• Machine damage🛠️

When done correctly, though, CNC prototyping transforms your ideas into reality—quickly, accurately, and efficiently.

🔍 What’s the Difference Between CNC Machining and CNC Prototype Machining?

If you’re new to manufacturing, CNC machining and CNC prototype machining might sound like the same thing. After all, both involve computer-controlled machines cutting materials into precise shapes. But these processes serve different purposes and are used in different stages of production.

📊 Side-by-Side Comparison

Feature	CNC Machining	CNC Prototype Machining
🛠️ Purpose	Mass production of finished parts	Quick testing of design concepts
⚙️ Material Used	Final materials (e.g., aluminum, steel)	Cheaper materials for cost efficiency
🎯 Precision Level	High precision & accuracy	High precision, but functional focus
🕒 Production Time	Longer (optimized for consistency)	Faster (optimized for quick tests)
💰 Cost	Higher (due to material & setup)	Lower (uses temporary materials)
🔍 Design Changes	Harder to adjust after production	Easy to modify and test new ideas
🏭 Output	Production-ready parts	Prototypes or test models

🧠 When Should You Use CNC Machining?

🔧 CNC machining is the go-to choice when you need:

• Mass production of parts for long-term use.
• High-precision components that fit together perfectly.
• Strong, durable parts made from metals or tough plastics.

💡 Example:

• Manufacturing engine blocks for thousands of cars. 🚗
• Producing medical implants with tight tolerances. 🏥

🚀 When Should You Use CNC Prototype Machining?

🔧 CNC prototype machining is the best choice when you:

• Need fast prototypes to test form, fit, and function.
• Expect design changes and need flexibility.
• Want to save money by using cheaper materials.

💡 Example:

• Testing a new smartphone case design before mass production. 📱
• Creating a prototype for a custom machine part to get customer feedback.

🤯 Can You Use Both? Absolutely!

Many companies use both methods together:

1. Start with CNC prototype machining to test the design. 🛠️
2. Once you finalize the design, switch to CNC machining or mass production. 🏭

💡 Real-World Example:
Imagine you’re designing a new car part. First, you’d create a prototype to test its fit and function. Once you’re happy with the design, you’d move to CNC machining for mass production.

🏆 The Bottom Line: Which One Should You Choose?

• Need one-off parts or test pieces? Go with CNC prototype machining.
• Planning for mass production with consistent quality? Choose CNC machining.

🔍 Pro Tip: Start with a prototype to test your design. Once it’s perfect, switch to full-scale CNC machining for the best balance of cost, speed, and quality. 💡

Applications of CNC Machined Prototypes: Where Are They Used?

CNC-machined prototypes are everywhere—from the cars we drive to the medical devices that save lives. These prototypes help engineers and designers test, refine, and perfect their ideas before mass production.

🚗 1. Automotive Industry: Building Safer, Better Cars

The automotive industry relies heavily on CNC machined prototypes to test new designs and improve performance. Prototypes help car manufacturers:

• Test engine components like cylinder heads and pistons.
• Create aerodynamic models to improve fuel efficiency.
• Prototype interior parts such as dashboards and control panels.
• Design and test new safety features, like airbag housings.

🔧 Fun Fact:
Major car companies like Tesla, BMW, and Ford use CNC prototypes to test electric vehicle parts before mass production.

🛩️ 2. Aerospace and Aviation: Precision at High Altitudes

When it comes to airplanes, helicopters, and even spacecraft, precision is non-negotiable. CNC machining helps create prototypes of aircraft components to test for:

• Aerodynamics: Testing wing shapes and engine parts.
• Structural integrity: Checking the strength of landing gear and fuselage parts.
• Cabin designs: Prototyping seating layouts and ventilation systems.

🚀 Did You Know?
NASA uses CNC prototypes to test parts for Mars rovers and spacecraft components to ensure they can withstand extreme conditions.

🏥 3. Medical and Healthcare: Saving Lives with Precision

CNC machining plays a vital role in medical innovation by prototyping life-saving equipment and devices. These prototypes help:

• Test new surgical instruments for better precision.
• Create prosthetics tailored to individual patients.
• Develop diagnostic devices like MRI and X-ray machine components.
• Produce dental implants and orthodontic tools.

💉 Real-Life Impact:
Custom CNC-machined prosthetics have helped amputees regain mobility with devices that perfectly fit their bodies.

⚙️ 4. Industrial Equipment: Powering Factories Worldwide

Factories and manufacturing plants use heavy-duty machinery that needs tough, reliable parts. CNC machined prototypes help manufacturers:

• Test new machine parts for durability.
• Develop precision tools for assembly lines.
• Prototype custom equipment for specific tasks.

🏭 Why It Matters:
Prototyping industrial equipment helps avoid costly mistakes and ensures machines run smoothly under intense conditions.

📱 5. Electronics and Tech Gadgets: Behind the Devices We Love

From smartphones to gaming consoles, CNC-machined prototypes are essential for testing new electronics. They help with:

• Designing casings for phones, tablets, and laptops.
• Prototyping internal components, like heat sinks and circuit boards.
• Testing ergonomic designs for user-friendly devices.

🔋 Tech Example:
Apple uses CNC machining to prototype iPhone frames, ensuring sleek designs and durability before mass production.

🚜 6. Agriculture: Tough Equipment for Tough Jobs

The agriculture industry depends on heavy machinery like tractors, harvesters, and irrigation systems. CNC machined prototypes help:

• Test engine parts for long-term reliability.
• Prototype gear mechanisms for better performance.
• Create custom tools for specialized farming needs.

🌾 Fun Fact:
Prototyping helps farm equipment last longer by testing durability in harsh environments.

🏗️ 7. Construction and Heavy Equipment: Built to Last

Construction machinery requires durable components that can withstand extreme forces. CNC machined prototypes assist with:

• Testing hydraulic systems for excavators.
• Prototyping gearboxes for cranes and bulldozers.
• Developing new tools for construction tasks.

🏢 Why It’s Important:
Prototyping ensures construction machinery works safely and efficiently on job sites.

🎮 8. Robotics: Precision in Motion

The robotics industry relies on precision to build machines that can perform delicate tasks—like surgical robots or warehouse pickers. CNC machined prototypes help:

• Design robot arms and joints with high precision.
• Test gears and motor housings for smooth motion.
• Develop custom robotic tools for specific tasks.

🤖 Cool Fact:
Many warehouse robots that sort and move packages for Amazon started as CNC-machined prototypes!

🎨 9. Consumer Products: From Kitchen Gadgets to Toys

CNC prototypes are used in everyday items like:

• Kitchen appliances(blenders, mixers).
• Sporting goods(golf clubs, bicycles).
• Toys and gadgets(drones, remote controls).

🏓 Did You Know?
The Ping Pong paddle design was refined with CNC prototypes to find the perfect balance and grip.

🌱 10. Renewable Energy: Powering a Greener Future

As industries shift toward sustainable energy, CNC machining helps create innovative components for:

• Wind turbines(testing blade designs).
• Solar panels(developing mounting systems).
• Hydropower equipment(designing water flow mechanisms).

🌞 Why It Matters:
Prototyping helps optimize energy systems to make them more efficient and cost-effective.

🔍

Important Considerations for Choosing CNC Prototype Machining

Before selecting CNC prototype machining over other methods, several factors should be considered:

• Material Limitations:
  CNC machines typically work with one material at a time. If a project requires prototypes with multiple materials, additional machines or alternative methods might be needed.
• Batch Size:
  CNC prototype machining is ideal for small to medium-sized production runs. For large quantities, injection molding or die casting may provide better cost efficiency.
• Complexity and Precision Requirements:
  CNC prototype machining excels in producing parts with complex geometries and tight tolerances. However, intricate designs may require advanced 5-axis CNC machines or specialty tooling.
• Budget and Lead Time:
  CNC prototype machining tends to be more expensive than 3D printing for single units but offers better mechanical performance and precision. Lead times depend on the complexity of the design, with simpler parts often produced within days.

Advantages of CNC Prototype Machining

CNC prototype machining offers several compelling advantages:

• Speed
  CNC prototype machining dramatically reduces the time needed to create functional prototypes compared to traditional techniques like casting, forging, and injection molding. A prototype that might take weeks to produce with traditional methods can often be completed in just a few days with CNC machining.
• Cost Efficiency
  CNC prototype machining minimizes the need for expensive tooling and molds. This makes it highly cost-effective for prototypes and small production runs. For instance, businesses can create prototypes without committing to costly mold fabrication, which is often required for injection molding.
• High Precision and Accuracy
  CNC prototype machining can achieve tolerances as tight as ±0.001 inches. This level of precision ensures that prototypes accurately represent the final product, which is particularly critical in industries like aerospace, medical devices, and automotive manufacturing.
• Material Versatility
  CNC prototype machining is compatible with a wide range of materials, including metals, plastics, composites, and even ceramics. This flexibility allows manufacturers to test different materials during the prototype phase.
• Eco-Friendly
  CNC prototype machining produces less material waste compared to many traditional methods. Its subtractive process is optimized through CAM software to maximize material usage and minimize scrap.
• Customizability
  CNC prototype machining is ideal for creating custom, one-off components. Adjustments can be made quickly by modifying the CAD file, without the need for retooling or new molds.

Materials Commonly Used in CNC Prototype Machining

Material selection significantly influences the performance, cost, and machinability of CNC prototypes. Here are some commonly used materials:

Metals

• Aluminum: Lightweight, corrosion-resistant, and highly machinable. Commonly used in aerospace, automotive, and consumer electronics.
• Brass: Durable and electrically conductive, ideal for electrical components and decorative items.
• Stainless Steel: Known for its strength, corrosion resistance, and durability, frequently used in medical devices and industrial equipment.

Plastics

• ABS (Acrylonitrile Butadiene Styrene): Cost-effective, strong, and versatile.
• Polycarbonate (PC): Impact-resistant and transparent, often used in optical components.
• Nylon (PA): High wear resistance and strength, ideal for gears and bearings.

Composites

• Carbon Fiber Composites: Lightweight and strong, widely used in aerospace and automotive applications.
• Fiberglass Composites: Cost-effective and durable, often utilized for prototyping enclosures and structural components.

Accuracy and Consistency in CNC Prototype Machining

One of CNC prototype machining’s primary advantages is its exceptional accuracy and consistency. Modern CNC equipment, such as 5-axis machining centers, can achieve dimensional tolerances within ±0.001 inches.

Consistency Benefits:

• Ensures that all prototypes in a production run maintain identical dimensions.
• Reduces variability in performance, fit, and assembly.
• Improves reliability in critical sectors like medical, automotive, and aerospace industries.

Advanced Technologies:

• 3-axis CNC machines are suitable for simpler components.
• 4-axis and 5-axis CNC machines handle more complex geometries with fewer setups.

Disadvantages of CNC Prototype Machining

While CNC prototype machining offers numerous benefits, it also presents some challenges:

• High Initial Costs:
  CNC machines and tooling are capital-intensive, making them less accessible for smaller operations.
• Time-Consuming for Complex Designs:
  Intricate parts may require longer machining times, especially when using multi-axis equipment.
• Material Limitations:
  CNC machines primarily work with metals, plastics, and composites. Exotic materials may require specialized equipment.
• Skill Requirements:
  Operators must have programming knowledge(e.g., G-code and CAD/CAM software) and technical expertise to ensure efficient, high-quality output.

Cost-Saving Tips for CNC Prototype Machining

Maximizing cost-efficiency is crucial for any prototyping project. Here are some practical strategies:

• Choose the Right Material:
  Select materials that balance performance and cost. For example, aluminum is often more cost-effective than stainless steel for non-critical components.
• Optimize Part Design:
  Simplifying part geometry can reduce machining time and costs. Avoid unnecessary complexity unless functionally required.
• Parallel Machining:
  Running multiple machines simultaneously can increase productivity and reduce per-unit costs.
• Order in Bulk:
  Many manufacturers offer discounts for larger orders, so plan production runs strategically.

• Use 3D Printing for Initial Prototypes:
  For early-stage design validation, 3D printing can provide quick and cost-effective prototypes.
• Partner with Reputable Manufacturers:
  Work with experienced CNC providers to minimize errors, rework, and production delays.

🆚 CNC Prototype Machining vs. 3D Printing: Which One Should You Choose?

When it comes to making prototypes or custom parts, CNC machining and 3D printing are two of the most popular choices. But how do you decide which one’s better for your project? 🤔

📊 Side-by-Side Comparison: CNC Machining vs. 3D Printing

Feature	CNC Prototype Machining	3D Printing
🛠️ Process Type	Subtractive (removes material)	Additive (adds material)
⚙️ Material Options	Metals, plastics, wood, composites	Mostly plastics, some metals
🎯 Precision & Accuracy	Extremely high (±0.01 mm)	Good, but less precise
🕒 Production Speed	Slower for small batches; faster for large runs	Fast for prototypes; slower for production
💪 Part Strength	Strong and durable parts	Good strength (depends on material)
💰 Cost	Higher initial cost, but cheaper for bulk production	Cheaper for one-off prototypes
🌐 Complex Designs	Can handle intricate details, but requires complex tooling	Excels with complex geometries
🌱 Waste	Produces material waste	Minimal material waste
🔄 Customization	Can customize with manual adjustments	Easy to tweak digital designs

🏆 When Should You Choose CNC Machining?

Go with CNC machining if you need:

• High-precision parts with tight tolerances.
• Strong, durable components that need to handle stress or heat.
• Prototypes made from metal or tough materials.
• Large batches of parts with consistent quality.

💡 Example Applications:

• Automotive parts like engine blocks. 🚗
• Aerospace components for planes. ✈️
• Medical devices like surgical tools. 🏥

🔍 Key Insight:
CNC machining is perfect for mechanical parts that must fit together precisely or need high durability.

🖨️ When Should You Choose 3D Printing?

Choose 3D printing if you need:

• Rapid prototypes to test shapes or concepts.
• Complex, intricate designs hat would be expensive or impossible to machine.
• Lightweight parts for non-structural applications.
• Small-batch production with frequent design changes.

💡 Example Applications:

• Prototype casingsfor electronics. 📱
• Medical models for surgery planning. 💉
• Custom toys and figurines. 🧸

🔍 Key Insight:
3D printing shines when you need speed and flexibility without worrying about extreme strength or precision.

🤯 Can You Use Both Methods Together?

Absolutely! Many industries use CNC machining and 3D printing together.

🔧 How It Works:

1. 3D print the initial prototype to test the design quickly.
2. Once you’re happy with the shape and fit, use CNC machining to create the final, functional parts.

This hybrid approach helps balance cost, speed, and strength.

💲 How Much Does CNC Prototyping Machining Cost?

If you’ve ever wondered, “How much does CNC prototyping cost?”—you’re not alone! CNC prototyping machining can feel like a mystery if you’re new to it. The truth is, there’s no one-size-fits-all answer because costs depend on a few key factors.

🧾 Typical Price Range for CNC Prototyping

Depending on the part size, material, and complexity, CNC prototyping costs can range from:

• $50 to $500for simple prototypes 🛠️
• $500 to $5,000+for more complex parts with tight tolerances 🎯
• $10,000 or more for large, high-precision prototypes or small production runs 🚀

💡 Example:

• A small aluminum bracket might cost $75.
• A large, intricate aerospace prototype could run into the thousands.

⚙️ What Affects CNC Prototyping Costs?

Let’s look at the biggest factors that influence your CNC machining bill:

Material Choice 🪵🛠️

The material you pick has a huge impact on cost. Some materials are cheap and easy to machine, while others are expensive and hard to work with.

Material	Price Range (per kg)	Notes
🛠️ Aluminum	$2 – $5	Lightweight, affordable, easy to machine
🔩 Steel	$3 – $6	Strong and durable, but harder to machine
🚗 Titanium	$15 – $25	Super strong but pricey and tough to cut
🌱 Plastics	$1 – $4	Cheap, easy to machine, great for prototypes

💡 Tip: If it’s just a prototype and not the final product, consider cheaper materials like ABS plastic instead of aluminum.

Part Complexity 🧩

The more detailed and intricate your prototype, the longer it takes to machine—and time equals money.

Simple parts = lower cost.
Complex designs with fine details = higher cost.

🔍 Example:

• A plain rectangular block with a couple of holes might cost $50.
• A complex aerospace component with multiple cavities, threads, and tight tolerances could be $5,000+.

💡 Tip: Simplify your design if possible. Fewer unnecessary details mean less machining time—and lower costs.

Tolerances & Surface Finish 🎯✨

Want your prototype to be super precise? Or maybe you need a smooth, polished surface?

These extras add more machining steps—which means higher costs.

Factor	Cost Impact	Notes
🎯 Tight Tolerances	Moderate to High	More time is needed for fine details
✨ Polished Finish	High	Polishing takes time and uses special tools
⚙️ Anodizing/Coating	Moderate	Protects and colors the surface but adds a production step

💡 Tip: Stick to standard tolerances unless you really need extra precision.

Machine Time ⏱️

CNC machines charge by the hour, with rates depending on machine type and complexity.

Machine Type	Hourly Rate	Notes
🛠️ 3-Axis CNC Mill	$35 – $70	Good for simpler parts
🔄 4-Axis CNC Mill	$50 – $100	Adds rotational capabilities
🧠 5-Axis CNC Mill	$75 – $150	Perfect for complex geometries

💡 Tip: Complex parts need more time—which means higher costs. If basic shapes work, stick to 3-axis machining to save money.

Quantity Matters 📦

When it comes to CNC prototyping, bulk orders save money.

• One-off prototype= Higher cost per piece 🆙
• Batch of 10, 50, or 100= Lower cost per piece 💲

💡 Example:

• 1 prototype might cost $300.
• 10 identical prototypes might cost $1,200 total—but only $120 each.

Location of the CNC Shop 🌎

Where you get your prototype machined can affect the cost.

Domestic shops may have higher labor costs but offer faster delivery and better communication.
Overseas options (e.g., China) might be cheaper, but longer shipping times and potential communication barriers can add hidden costs.

💡 Tip: Balance cost with reliability. Sometimes paying a bit more for better service is worth it.

📊 Quick Cost Breakdown Example

Imagine you want a prototype for a new phone stand. Here’s a rough breakdown:

Cost Factor	Estimated Cost
📐 Design Complexity	$150
🧱 Material (Aluminum)	$50
⏱️ Machine Time (3-axis)	$120
✨ Surface Finish (Polished)	$80
🚚 Shipping & Handling	$30
🛠️ Total	$430

💡 Note: Prices vary widely based on project requirements. Always get a quote for the most accurate estimate.

💡 How to Save Money on CNC Prototyping

1. Choose Affordable Materials: ABS plastic is cheaper than aluminum—and still great for testing designs.
2. Simplify Your Design: Fewer features = less machine time.
3. Order in Batches: Higher quantities reduce per-piece costs.
4. Stick to Standard Finishes: Fancy finishes like anodizing and polishing look cool—but they add extra costs.
5. Work with a Trusted CNC Shop: Reliable partners help avoid costly mistakes and delays.

🤔 Is CNC Prototyping Worth the Cost?

Absolutely! 🎯

CNC prototyping might seem costly upfront, but the long-term benefits—like faster design validation and reduced production errors—make it a smart investment.

So, the next time you wonder, “Why does CNC prototyping cost so much?”, remember:
It’s about precision, efficiency, and bringing your ideas to life—with less guesswork and more confidence. 🚀🔧

9. Conclusion

CNC prototype machining has transformed how companies approach product development. Its speed, accuracy, cost-effectiveness, and material versatility make it an attractive option for industries ranging from automotive to aerospace.

As the manufacturing landscape continues to evolve, businesses that adopt CNC prototype machining will find themselves better positioned to innovate, compete, and thrive.

Ready to start your next CNC prototype machining project? Contact a reliable CNC machining provider today to explore how CNC prototype machining can bring your designs to life!

FAQ’s

Q1: What is CNC prototype machining?

CNC prototype machining is a form of subtractive manufacturing wherein the parts are manufactured by the removal of material from a single piece of stock using computer numerically controlled machines, which provide high accuracy and dimensional consistency.

Q2: What type of materials can be applied to CNC prototypes?

CNC machining can work with many different types of material. For instance; metals (aluminum and steel) and plastics (ABS and polycarbonate), making for not only aesthetics but also functionality in the prototypes.

Q3: How does CNC machining enable it to have high precision?

CNC machining is characterized by precise movements of the tools about the workpiece, which is defined by a computer-aided design and can allow small tolerances.

Q4: Why CNC Prototype machining is better than 3D printing in prototype manufacturing?

Compared to 3D printing, CNC machining is faster in production and provides better material selection. Moreover, it’s more accurate for functional and reliable prototype parts.