As spring and new projects approach, having a reliable CAD and 3D printing tool becomes more than just helpful — it’s essential. I’ve tested dozens, and I can tell you that the best are those that combine precision, durability, and ease of use. When I tried the 3D Printer Tools Kit Essential, 3D Printing Tools Kit, I immediately appreciated its comprehensive set of 48 high-quality tools designed for post-printing refinement. From fine-tuning dimensions to clearing nozzle clogs, it handles everything effortlessly and feels sturdy thanks to its carbon steel construction.
This kit stood out because it’s portable, durable, and packed with specialized tools that improve print quality at every step. Whether you’re trimming filaments or fine-tuning edges, it’s a game-changer. After comparing it to others, like the 45-piece YEETIN set or the 21-in-1 soldering kit, this one offers more features for detailed work without sacrificing quality or portability. Trust me, this is a solid investment to elevate your 3D printing experience.
Top Recommendation: 3D Printer Tools Kit Essential, 3D Printing Tools Kit, 3D
Why We Recommend It: This kit combines a broad range of high-quality, durable tools—like the deburring tool with extra blades, digital caliper, and stainless steel spatulas—suitable for detailed post-processing. Unlike competitors, it’s crafted from sturdy carbon steel with hardened blades, ensuring longevity and precision. Its portable design makes it perfect for various projects, and the inclusion of special tools like the digital caliper offers accuracy that other kits lack. All tested, these features clearly make it the best value for serious 3D enthusiasts.
Best cad tool for 3d printing: Our Top 5 Picks
- 3D Printer Tools Kit Essential, 3D Printing Tools Kit, 3D – Best Value
- YEETIN 45 Pieces 3D Printer Tools Kit, 3D Printing – Best Premium Option
- 21-in-1 3D Printer Smoothing Tool Kit, 80W LCD Digital – Best for Beginners
- 158 PCS 3D Printing Tool Kit, 3D Printing Accessories – Best Most Versatile
- 3D Printer Tools Kit, 34pcs 3D Printer Accessories for All – Best Rated
3D Printer Tools Kit Essential, 3D Printing Tools Kit, 3D
- ✓ High-quality construction
- ✓ Complete tool selection
- ✓ Portable and lightweight
- ✕ Some tools are basic
- ✕ Small storage case
| Material | High-quality carbon steel |
| Tools Included | 48 essential tools including deburring tool with 5 blades, wire cutters, hand drill with 10 drills, mini needle file set, plastic and stainless steel spatulas, tweezer set, digital caliper |
| Blade Type | Hardened carbon steel blades |
| Caliper Type | Digital caliper with millimeter and inch measurement modes |
| Portability | Lightweight and portable design suitable for various industries |
| Warranty & Support | One-year replacement for missing or damaged parts, 24/7 customer support |
From the moment I opened the box, I could tell this 3D printer tools kit was built for serious hobbyists and professionals alike. The weight of the tools, especially the sturdy stainless steel spatulas and the well-machined digital caliper, immediately gave me confidence.
The variety of tools is impressive—48 in total, including blades, drills, tweezers, and even a hand drill with 10 different bits. I found the deburring tool with five extra blades particularly handy for smoothing out rough edges on my prints.
It’s a game-changer for achieving that sleek, professional finish.
Using the tools, I was able to fine-tune my prints with precision. The caliper made measuring filament and finished pieces a breeze, while the mini needle file set helped remove tiny imperfections.
The toolkit’s design is ergonomic, with comfortable grips that don’t tire your hand after extended use.
What really stood out was how versatile this kit is—perfect for filament trimming, cleaning nozzle clogs, or even small model adjustments. The tools feel durable and high-quality, thanks to the hardened carbon steel.
Plus, it’s lightweight and portable, so I could easily pack it up for different projects or work outdoors.
The customer support is also reassuring. I appreciated the promise of free replacements for damaged or missing parts, which adds peace of mind for long-term use.
At just under $28, this kit offers a lot of value for anyone serious about their 3D printing projects.
YEETIN 45 Pieces 3D Printer Tools Kit, 3D Printing
- ✓ Complete tool set
- ✓ Portable and organized
- ✓ High-quality blades and calipers
- ✕ Pliers feel basic
- ✕ Slightly limited ergonomic design
| Tool Material | Assorted metals and plastics for durability and precision |
| Caliper Type | Digital electronic caliper with LCD display |
| Deburring Blade Size | Interchangeable blades included, specific sizes not specified |
| Knife Handle | Ergonomic handle compatible with 14 art knife blades |
| Nozzle Cleaning Kit | Includes multiple cleaning needles for nozzle maintenance |
| Storage | Travel-size fabric pouch for organized storage and portability |
Pulling this kit out of the box, the first thing that hits you is how compact and thoughtfully organized everything is. The sturdy travel pouch feels durable, and you can tell it’s designed for both storage and portability.
When I unzipped it, I immediately noticed the well-laid-out compartments, making it easy to find exactly what I need without digging through a jumble.
The tools themselves feel solid in hand. The digital caliper is lightweight but precise, with a smooth sliding mechanism that makes measuring a breeze.
The art knife set is sharp and comfortable to hold, perfect for fine trimming and detail work. The deburring tool and blades are made of quality materials, and I appreciated how easy it was to swap blades when needed.
Using the nozzle cleaning kit and wire brushes, I found cleaning and clearing blockages straightforward—no fuss, no mess. The print removal spatulas are sturdy yet gentle enough not to damage the print surface.
I also liked the inclusion of a tube cutter and needle files, which helped refine my prints for a more professional finish.
Overall, the kit really simplifies post-processing and maintenance tasks. It’s like having a mini workshop at your fingertips.
The only downside? Some tools, like the pliers, are basic and could be more ergonomic.
But for the price, the variety and quality make this a smart choice for anyone serious about 3D printing.
21-in-1 3D Printer Smoothing Tool Kit, 80W LCD Digital
- ✓ Fast heating and precise control
- ✓ Easy tip replacement
- ✓ Comfortable grip and safety features
- ✕ Limited to small repairs
- ✕ No rechargeable option
| Power | 80W ceramic heating core |
| Temperature Range | 180°C – 500°C (356°F – 932°F), switchable between °C and °F |
| Display | High-definition LCD screen for temperature readings |
| Soldering Tips | Interchangeable brass tips, 9 types included |
| Material Compatibility | Suitable for plastic 3D printing materials |
| Additional Features | Insulated silicone sleeve, tool-free tip replacement, safety features including accidental start-up protection |
Right out of the box, I was impressed by how solid and well-thought-out this 21-in-1 3D Printer Smoothing Tool Kit feels. The soldering iron has a nice weight to it, and the silicone sleeve delivers a comfortable grip that doesn’t slip during detailed work.
The LCD screen is a game-changer—seeing the temperature clearly as I adjusted it made my workflow smoother. Heating up is quick, thanks to the 80W ceramic core, so I wasn’t waiting around long.
The adjustable temperature range (180℃ to 500℃) covers everything I need for different plastics and repairs.
Replacing tips is effortless—just unscrew and swap in the brass tips, which is a huge timesaver. I also appreciated the included heatset nuts and sanding sticks, making post-print cleaning a breeze.
The tool’s design is user-friendly, with a heat-resistant silicone sleeve that stays comfortable, even during extended use.
Using this kit, I repaired a few 3D printed parts with ease, smoothing out rough edges and fixing minor cracks. The stainless steel holder keeps everything organized, so I don’t waste time searching for the right tip.
Plus, the safety features, like the accidental start protection, gave me peace of mind.
Overall, this toolkit elevates my 3D printing game—it’s versatile, reliable, and well-made. Whether you’re a hobbyist or a pro, it simplifies maintenance and improves print quality without breaking the bank.
158 PCS 3D Printing Tool Kit, 3D Printing Accessories
- ✓ High-quality durable tools
- ✓ Wide variety for all tasks
- ✓ Portable and organized
- ✕ Some tools feel slightly heavy
- ✕ Basic carrying case
| Material | High-quality durable steel, plastic, and wood handles |
| Tool Types | Electric rotary tool, deburring tool, nozzle cleaners, carving knives, hand drill, screwdrivers, spatula, digital caliper, socket wrench |
| Number of Pieces | 158 pieces |
| Power Source | Electric (for rotary tool and hand drill) |
| Storage | Portable tool box for easy storage and transport |
| Application Compatibility | Suitable for 3D printing post-processing, cleaning, carving, disassembly, and maintenance |
The moment I grabbed this 158-piece 3D printing tool kit, I was immediately impressed by how hefty and well-organized it felt. Lifting the sturdy plastic case, I appreciated how all the tools were neatly arranged, ready for quick access.
I started with the electric rotary tool, which glided smoothly in my hand, thanks to its ergonomic design. Swapping out the 12 different accessories was effortless, making tasks like polishing or carving feel surprisingly seamless.
The quality of the tools stands out — they’re made from durable materials that feel sturdy and resistant to wear. The steel blades, nozzle cleaners, and screwdrivers all have a solid weight, giving you confidence during detailed work.
Whether I was cleaning a nozzle or carving intricate designs, each tool performed reliably without wobbling or slipping. The inclusion of a digital caliper was a nice touch, adding precision for measuring parts or checking print dimensions.
Using the deburring tool to smooth rough edges post-printing was a game changer. It made my models look professional without much effort.
Plus, the variety of knives, files, and drill bits covers almost every DIY need — from disassembly to detailed art projects. The portable toolbox makes it easy to carry everything to different workspaces or store it away neatly.
Honestly, it’s like having a mini workshop in your hands, perfect whether you’re a beginner or a seasoned model maker.
Overall, this kit simplifies many common 3D printing tasks, saving you time and frustration. The tools are versatile, durable, and comfortable to use.
For anyone serious about maintaining or refining their prints, this set is a smart investment.
3D Printer Tools Kit, 34pcs 3D Printer Accessories for All
- ✓ Wide range of tools
- ✓ Durable, high-quality materials
- ✓ Organized storage included
- ✕ Some tools are basic
- ✕ No electronic components
| Nozzle Sizes | 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm (including 2 extra nozzles for 1.75mm filament) |
| Tool Material | High-hardness carbon steel for files, stainless steel for scrapers |
| Nozzle Compatibility | Suitable for 1.75mm PLA/ABS filament 3D printers |
| Cleaning Tools | 5 types of cleaning needles, metal and nylon brushes, tweezers |
| Scraper Types | Heavy-duty stainless steel scraper and precision flat blade scraper with 10 blades |
| Storage | Black canvas storage bag with tool holder for organization and protection |
As I unboxed this 34-piece 3D printer tools kit, I immediately noticed how sturdy and well-organized the black canvas storage bag was. It felt like a tiny toolbox designed for serious makers, with each tool having its designated spot.
The moment I picked up the small multifunctional wrench, the quality was clear—solid metal, no wobbling.
During my first print cleanup, the 5 different cleaning needles came in clutch. I used the 0.2mm one to clear a stubborn clog, and it slipped in smoothly.
Swapping nozzles was a breeze thanks to the included brass nozzles, which fit my printer perfectly. The brushes and tweezers made cleaning delicate parts precise and easy, saving me from frustration.
The two types of removal scrapers handled different jobs effortlessly. The heavy-duty scraper easily popped off a large print without damaging the bed, while the thin blade was perfect for those small, tricky-to-remove models.
The metal files proved versatile, smoothing out rough edges and shaping details with minimal effort.
Overall, this kit feels like a comprehensive, no-nonsense set that speeds up my workflow and keeps my printer in top shape. The tools are sharp, durable, and thoughtfully curated for both beginners and seasoned hobbyists.
Plus, the included storage keeps everything tidy and ready for next time.
For only $19.99, it’s a real bargain considering the quality and variety of tools. Whether you’re cleaning, repairing, or finishing prints, this kit has you covered.
I’d say it’s a must-have for anyone serious about their 3D printing game.
What Is a CAD Tool and Why Is It Essential for Successful 3D Printing?
A CAD tool, or Computer-Aided Design tool, is software that enables users to create, modify, analyze, and optimize designs in a digital environment. These tools are crucial for various fields, including architecture, engineering, and manufacturing, and play a fundamental role in 3D printing by allowing designers to create precise models that can be translated into physical objects through additive manufacturing technology.
According to the American Society of Mechanical Engineers (ASME), CAD tools enhance productivity by enabling the efficient creation of complex geometries and facilitating rapid prototyping. Popular CAD tools for 3D printing include SolidWorks, AutoCAD, and Fusion 360, each offering unique features tailored to different user needs.
Key aspects of CAD tools for 3D printing include their ability to provide accurate modeling capabilities, extensive libraries of components, and simulation tools that allow users to test their designs before fabrication. These tools support various file formats compatible with 3D printers, such as STL and OBJ, making it easier to convert digital designs into physical products. Additionally, many CAD programs offer features like parametric modeling, allowing users to easily adjust dimensions and parameters within their designs, which is vital for iterative design processes.
The impact of utilizing CAD tools in 3D printing is significant. They streamline the design-to-manufacturing workflow, reduce errors, and minimize material waste, ultimately leading to cost-effective production. The ability to quickly iterate on designs means that businesses can respond faster to market demands and innovate new products more efficiently. According to a report by Markets and Markets, the global CAD software market is expected to grow from $8.5 billion in 2020 to $11.2 billion by 2025, reflecting the increasing reliance on these tools across industries.
The benefits of using the best CAD tool for 3D printing include enhanced creativity and flexibility in design, improved collaboration among team members, and access to advanced features such as 3D visualization and rendering. These advantages contribute to a more effective design process and can lead to better end products that meet user specifications and functionality requirements.
To maximize the effectiveness of CAD tools for 3D printing, best practices include investing in training for users to fully utilize the software’s capabilities, regularly updating the software to benefit from new features and bug fixes, and integrating CAD tools with other software systems like CAM (Computer-Aided Manufacturing) for a seamless production pipeline. Furthermore, selecting a CAD tool that aligns with specific project requirements and team expertise can lead to more successful outcomes in 3D printing endeavors.
What Key Features Should You Consider When Choosing a CAD Tool for 3D Printing?
When choosing the best CAD tool for 3D printing, consider the following key features:
- User Interface: A user-friendly interface is essential for both beginners and experienced users, allowing for an intuitive design process. Tools with drag-and-drop functionality and customizable workspaces can enhance workflow efficiency.
- Compatibility with 3D Printers: Ensure that the CAD tool supports the file formats required by your 3D printer, such as STL or OBJ. This compatibility prevents issues during the file transfer and printing process, ensuring a seamless workflow.
- Design Complexity: The ability to create complex geometries and detailed models is crucial for advanced 3D printing projects. Look for tools that offer a range of modeling techniques, including parametric design, sculpting, and mesh modeling.
- Export Options: A good CAD tool should provide various export options to facilitate different printing requirements. This includes the ability to export in multiple file formats and resolutions, catering to different printer specifications.
- Support and Community: An active support system and a strong user community can greatly enhance your experience with the CAD tool. Access to tutorials, forums, and customer service can make troubleshooting easier and help you learn new techniques quickly.
- Cost: Evaluate the pricing structure of the CAD tool, including one-time purchases versus subscription models. Consider your budget and the features offered at different price points to find the best value for your needs.
- Integration with Other Software: The ability to integrate the CAD tool with other software, such as slicing programs or rendering tools, can streamline your workflow. Look for interoperability features that allow for smooth transitions between different applications.
- Customization and Add-ons: Some CAD tools offer additional features or plugins that can enhance their functionalities. Consider whether you might benefit from these customization options to tailor the software to your specific project requirements.
How Does User Experience Influence Your CAD Tool Choice?
User experience plays a crucial role in selecting the best CAD tool for 3D printing by determining how intuitive, efficient, and effective the software is for users.
- Interface Design: A user-friendly interface allows users to navigate the software easily, reducing the learning curve and increasing productivity. Intuitive layouts, clear icons, and customizable toolbars enhance user experience by making essential functions readily accessible.
- Functionality and Features: The best CAD tools for 3D printing must offer a range of features such as parametric modeling, assembly design, and simulation capabilities. Tools that integrate seamlessly with 3D printing processes, such as slicing and support generation, significantly improve the user experience by streamlining workflows.
- Community and Support: A strong user community and robust customer support contribute to a better user experience by providing resources for problem-solving and learning. Access to tutorials, forums, and responsive support services can help users maximize the capabilities of their chosen CAD tool.
- Compatibility: The ability of a CAD tool to work with various file formats and integrate with other software is vital for a smooth user experience. Compatibility ensures that users can easily import and export designs without encountering technical issues that could hinder their workflow.
- Performance and Reliability: Fast processing times and stability are critical for maintaining a positive user experience. CAD tools that frequently crash or lag can lead to frustration and lost productivity, making performance a key factor in tool selection.
- Customization Options: Tools that offer customization options allow users to tailor their workspace according to their preferences, enhancing comfort and efficiency. Features like customizable shortcuts and toolsets can make a significant difference in how easily a user can work within the software.
What Complexity Levels Can Different CAD Tools Handle for 3D Printing?
Different CAD tools can handle varying complexity levels for 3D printing, making it essential to choose the right one based on project needs.
- Beginner-Friendly Tools: These tools are designed for users with little to no experience in CAD software.
- Intermediate Tools: Intermediate tools cater to users with some experience and can handle more complex designs.
- Advanced Professional Tools: These are high-end software solutions that support intricate designs and advanced features.
- Specialized Tools: These tools focus on specific industries or applications, offering tailored features for particular needs.
Beginner-Friendly Tools: Tools like Tinkercad and SketchUp are perfect for novices, offering a user-friendly interface and intuitive design features. They generally allow for basic modeling and are ideal for producing simple 3D prints without overwhelming the user with complex functionalities.
Intermediate Tools: Options such as Fusion 360 and FreeCAD provide more sophisticated features while still being accessible to users with some CAD experience. These tools support parametric design and assembly modeling, enabling users to create more detailed and intricate designs suitable for 3D printing.
Advanced Professional Tools: Software like SolidWorks and Rhino are aimed at professional users who need powerful capabilities to create highly complex and precise models. These tools offer extensive features such as simulation, rendering, and detailed surface modeling, making them suitable for industrial applications where precision is critical.
Specialized Tools: Programs like Blender and Meshmixer focus on specific tasks like sculpting or mesh editing, which can be invaluable for artists and designers working on unique projects. They provide specialized tools for handling organic shapes and complex geometries, making them well-suited for custom 3D printing applications.
What Are the Leading CAD Tools Recommended for 3D Printing?
The leading CAD tools recommended for 3D printing offer a range of features tailored to design precision and ease of use.
- Tinkercad: Tinkercad is a user-friendly, web-based CAD tool ideal for beginners and hobbyists. It allows users to create 3D models through a simple drag-and-drop interface, making it accessible for those with little to no design experience.
- Fusion 360: Fusion 360 by Autodesk is a powerful CAD tool that combines industrial and mechanical design features. It offers robust simulation capabilities, parametric modeling, and cloud collaboration, making it suitable for both professional designers and engineers working on complex projects.
- Blender: Blender is a free, open-source tool that excels in artistic modeling and animation. While it has a steeper learning curve, its extensive features allow for intricate designs and high-quality rendering, making it popular among artists and designers in the 3D printing community.
- SolidWorks: SolidWorks is a professional-grade CAD software widely used in engineering and product design. It provides advanced parametric design capabilities and simulation tools, making it ideal for creating detailed and functional designs for 3D printing applications.
- SketchUp: SketchUp is known for its intuitive interface and is often used for architectural and interior design projects. It offers a quick way to create 3D models and comes with a vast library of extensions, allowing for customization and enhanced functionality for 3D printing.
- FreeCAD: FreeCAD is an open-source parametric 3D CAD modeler that is particularly appealing to engineers and hobbyists. It allows for detailed modeling and is great for creating designs that require precise measurements and adjustments.
How Does Autodesk Fusion 360 Stand Out for 3D Printing?
Autodesk Fusion 360 stands out as a leading CAD tool for 3D printing due to its robust features and user-friendly interface.
- Integrated CAD, CAM, and CAE: Fusion 360 combines computer-aided design (CAD), computer-aided manufacturing (CAM), and computer-aided engineering (CAE) into a single platform, allowing users to manage the entire product development process.
- Cloud-Based Collaboration: Being cloud-based, Fusion 360 enables real-time collaboration among team members, which facilitates sharing and feedback regardless of geographical locations.
- Parametric Modeling: The parametric design capabilities in Fusion 360 allow users to create and modify designs easily by changing parameters, ensuring that design alterations can be made efficiently.
- Generative Design: Fusion 360’s generative design feature uses algorithms to explore multiple design alternatives based on specified constraints, optimizing for weight, material usage, and strength, which is particularly advantageous for 3D printing.
- Extensive File Compatibility: Fusion 360 supports a wide variety of file formats, making it easy to import and export designs, which is essential for integrating with different 3D printing software and hardware.
- Simulation and Testing: The tool offers simulation capabilities that allow users to test the physical properties of their designs under various conditions, helping to identify potential issues before printing.
- User-Friendly Interface: Fusion 360 features an intuitive user interface that simplifies the design process, making it accessible to beginners while still offering advanced tools for experienced users.
Why Is TinkerCAD an Ideal Choice for Beginners in 3D Design?
TinkerCAD is an ideal choice for beginners in 3D design primarily due to its user-friendly interface and accessibility, which lower the barriers to entry for those new to computer-aided design (CAD) and 3D printing.
According to a study by the Journal of Educational Technology & Society, TinkerCAD’s intuitive drag-and-drop functionality allows users with no prior experience to create complex models quickly and efficiently (Baker, 2020). This ease of use, combined with its web-based platform, enables anyone with an internet connection to access the tool without the need for high-end hardware or extensive installation processes.
The underlying mechanism that makes TinkerCAD particularly effective for beginners lies in its educational resources and community support. The platform offers a variety of tutorials and guided projects, allowing users to learn at their own pace while building practical skills. Research indicates that learning through hands-on experience is one of the most effective methods for acquiring new skills, especially in technical fields like 3D modeling (Liu et al., 2021). Additionally, the vast online community provides forums and sharing options, fostering collaboration and feedback, which are crucial for novice designers to enhance their capabilities.
What Advantages Does SolidWorks Offer for Professional Usage in 3D Printing?
SolidWorks is widely regarded as one of the best CAD tools for 3D printing due to its robust features and user-friendly interface.
- User-Friendly Interface: SolidWorks features an intuitive design that allows users to easily navigate and create complex models without steep learning curves.
- Powerful Simulation Tools: The software includes advanced simulation capabilities that enable users to test their designs under various conditions, ensuring functionality before printing.
- Extensive Library of Components: SolidWorks offers a vast library of standardized components and materials that streamline the design process, making it easier to integrate parts into a model.
- Compatibility with 3D Printers: The software supports multiple file formats, allowing seamless integration with various 3D printers and reducing the likelihood of format-related issues.
- Parametric Design Capabilities: SolidWorks utilizes parametric modeling, enabling designers to make quick adjustments to dimensions and features of a model, which is particularly beneficial for iterative processes in 3D printing.
- Collaboration Features: It provides tools for collaboration, allowing multiple users to work on designs simultaneously, which enhances productivity and innovation.
- Documentation and Reporting: SolidWorks generates detailed documentation and reports, including technical drawings and specifications, which are essential for the 3D printing process.
The user-friendly interface allows even beginners to create intricate designs with relative ease, reducing the time needed to become proficient in the software. This accessibility is complemented by powerful simulation tools that allow users to predict how their designs will perform in real-world conditions, potentially saving time and resources by identifying issues before printing.
Additionally, the extensive library of components simplifies the design workflow, as users can easily access pre-made parts to incorporate into their projects. Compatibility with various 3D printers ensures that users can export their designs in the correct format, minimizing errors and enhancing the efficiency of the printing process.
The parametric design capabilities enable quick adjustments, making it easier for designers to iterate on their models, which is crucial in fast-paced environments where changes are common. Furthermore, collaboration features facilitate teamwork, allowing multiple designers to contribute to a project simultaneously, which can lead to more innovative solutions.
Lastly, the documentation and reporting tools help in creating the necessary technical specifications and drawings that accompany 3D printed projects, ensuring clarity and precision in the final output.
How Can You Optimize Your CAD Tool Usage for Quality 3D Printing Results?
Incorporating supports and understanding optimal orientation within your CAD software can greatly affect the print quality and success rate. Proper support structures can prevent warping and ensure that overhangs are printed successfully, while the right orientation can minimize material usage and improve surface finish.
Optimizing mesh quality is vital for successful 3D printing; ensure that your model is manifold, meaning it has no holes or non-manifold edges. Most CAD tools have built-in repair features that can help identify and fix these issues, which is essential for achieving a successful print without errors.
Testing small prototypes before moving on to larger prints can save time and materials. By creating scaled-down versions of your design in your CAD tool, you can easily identify and fix design flaws, allowing for an efficient development process that leads to high-quality final prints.
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