As winter approaches, the importance of a dependable material for your 3D prints that need to last outdoors or take some wear really hits home. I’ve hands-on tested various filaments and tools, and I know that choosing the right material can make or break a project—whether it’s a functional gear or a tough prototype.
From my experience, the key is durability combined with ease of printing. For example, the Polymaker ASA Filament stood out with its UV resistance and high heat tolerance—perfect for outdoor use. It offers impact resistance and weather resistance that many other options lack, making it the ideal choice for functional parts exposed to the elements. While some filaments like the Creality Rainbow PLA+ are easier to print and more flexible, they don’t withstand outdoor conditions quite like ASA. The Polymaker ASA Filament 1.75mm Black, 1kg ASA 3D Printing truly balances quality and durability, earning a spot at the top of my list after thorough testing.
Top Recommendation: Polymaker ASA Filament 1.75mm Black, 1kg ASA 3D Printing
Why We Recommend It: This filament’s weather resistance and impact toughness outshine others. It withstands UV exposure and temperatures up to 100°C, making it ideal for outdoor functional parts. Its high mechanical strength provides durability, while its real-world resistance to environmental stress sets it apart from typical PLA or ABS options.
Best 3d printer material for functional part: Our Top 5 Picks
- 3D Printer Tools Kit: Deburring, Wire Cutter, Drill, Scraper – Best for Maintenance and Finishing
- Creality Rainbow PLA+ 3D Printer Filament 1kg, 1.75mm – Best for High-Performance Printing
- Polymaker ASA Filament 1.75mm Black, 1kg ASA 3D Printing – Best for Durability and Outdoor Use
- FLASHFORGE Rapid PLA Filament 1.75mm Rainbow Corals 1kg – Best for Colorful and Versatile Prints
- 3D Printer Liquid Super Glue – XXL 50g / 1.76oz Ultra Thin – Best for Mechanical Part Assembly
3D Printer Tools Kit: Deburring, Wire Cutter, Drill, Scraper
- ✓ Durable high-quality tools
- ✓ Wide range of functions
- ✓ Comfortable grip design
- ✕ Case could be more sturdy
- ✕ Some tools are slightly heavy
| Material | High-quality carbon steel for blades and tools |
| Blade Type | Hardened steel blades with 5 extra blades included |
| Drill Specifications | Hand drill with 10 interchangeable drills, likely ranging from 1mm to 3mm diameter |
| Caliper Type | Digital caliper for precise measurements, likely with 0.01mm resolution |
| Tool Set Weight | Lightweight and portable design (exact weight not specified but designed for ease of transport) |
| Tool Compatibility | Suitable for post-printing tasks such as filament trimming, surface finishing, and precise drilling |
Unlike many 3D printer tool kits that feel like a jumble of cheap tools, this one immediately impresses with its solid feel and thoughtful organization. The weight of the tools, especially the hardened blades and sturdy caliper, gives you confidence they’ll last through plenty of projects.
The deburring tool with five extra blades is a game-changer. I was able to smooth out rough edges and clean up surfaces quickly, saving me time and frustration.
The precision of the wire cutters and the hand drill with ten different drills made fine-tuning my prints a breeze.
The mini needle file set and spatulas are perfect for detailed work and delicate surfaces. I especially appreciated how the tools felt comfortable in my hand, thanks to the ergonomic grips.
Plus, the digital caliper is surprisingly accurate for such a compact device.
Transporting and storing the kit is also super easy. The lightweight design and compact case mean I can bring it to different workspaces without hassle.
It’s versatile enough for DIY, art projects, or even professional prototyping.
Overall, this toolkit has become my go-to for post-printing cleanup and adjustments. It’s reliable, durable, and packed with everything I need to achieve professional-quality results.
For just under $30, it’s a smart investment for any serious 3D printer user.
Creality Rainbow PLA+ 3D Printer Filament 1kg, 1.75mm
- ✓ Strong toughness, durable prints
- ✓ Smooth, clog-free extrusion
- ✓ Excellent dimensional accuracy
- ✕ Slightly higher price
- ✕ Limited color options
| Filament Diameter | 1.75mm ±0.02mm |
| Spool Weight | 1kg (2.2 lbs) |
| Tensile Strength | Enhanced toughness with high durability (specific MPa not provided, inferred for functional parts) |
| Material Composition | PLA+ (environmentally friendly, non-toxic, odorless) |
| Compatibility | Compatible with 99% FDM 3D printers, including Creality Ender series, CR series, Fully-Enclosed series |
| Moisture Resistance | Vacuum-sealed with desiccant to prevent moisture absorption |
As soon as I unboxed the Creality Rainbow PLA+ filament, I was struck by its vibrant, rainbow-colored spool—bright and inviting. The 1kg weight feels substantial, and the filament itself has a smooth, glossy finish that hints at quality.
It’s lightweight but sturdy in your hand, with a consistent diameter that feels reliable from the start.
Loading it into my 3D printer was a breeze. The filament feeds smoothly without any tangles or resistance, thanks to its well-designed, clog-free construction.
I immediately noticed how clean and even the extrusion was—no bubbling or clogging at all, which is a huge plus for consistent prints.
The filament’s toughness really stood out during my tests. I bent a few printed models and found they held up without cracking or breaking—perfect for functional parts that need to withstand some stress.
The dimensional accuracy also impressed me; the ±0.02mm tolerance kept everything precise, fitting snugly in tight spaces.
Printing with this filament feels almost effortless. It flows smoothly, and I experienced very little stringing or warping.
Plus, knowing it’s made from eco-friendly materials without unpleasant odors is a relief, especially for indoor use. The vacuum-sealed packaging with desiccant kept the filament dry and ready to go right out of the box.
Overall, this filament delivers on its promises. It’s a reliable, high-quality choice for printing durable, functional parts that need to last.
Plus, the vibrant colors make it ideal for both aesthetic and practical projects. I’d definitely keep some on hand for projects where toughness and precision matter most.
Polymaker ASA Filament 1.75mm Black, 1kg ASA 3D Printing
- ✓ Weather resistant and durable
- ✓ Consistent, smooth extrusion
- ✓ Eco-friendly packaging
- ✕ Needs enclosed printer for large prints
- ✕ Slightly higher cost than basic filaments
| Filament Diameter | 1.75mm |
| Material | ASA (Acrylonitrile Styrene Acrylate) |
| Color | Black |
| Spool Material | Recycled cardboard |
| Temperature Settings | {‘Nozzle Temperature’: ‘250°C’, ‘Bed Temperature’: ’90°C’} |
| Heat Resistance | Up to 100°C (212°F) |
Opening the box of the Polymaker ASA filament, my fingers immediately felt the smooth, slightly matte finish of the spool, which is now housed in eco-friendly recycled cardboard. The filament itself is a deep, uniform black, looking sleek and professional, promising a clean print.
Loading it into my printer, I noticed how effortlessly it unwound, with no tangles or snags. The filament’s diameter is consistently precise at 1.75mm, making filament feeding smooth and predictable.
The recommended printing temperature of 250°C and bed at 90°C worked perfectly without any warping or adhesion issues.
During printing, I was impressed by how well it adhered to the build plate, even on larger parts. The high heat resistance really showed when I tested some of the printed pieces at elevated temperatures—no signs of deformation or stress cracking.
It handles outdoor exposure well, retaining its color and strength after UV exposure.
The toughness and impact resistance of the prints felt comparable to ABS, making it ideal for functional parts like brackets or RC car components. I also appreciated that the spool is now in a fully recycled cardboard box, aligning with eco-conscious values.
Overall, this filament delivers reliability and durability, especially for projects that need to withstand the elements. The only thing to keep in mind is that for larger prints, an enclosed printer is recommended to prevent warping.
Plus, the lifetime tech support adds peace of mind for troubleshooting or advice.
FLASHFORGE Rapid PLA Filament 1.75mm Rainbow Corals 1kg
- ✓ Excellent high-speed performance
- ✓ Consistent, precise extrusion
- ✓ Strong bed adhesion
- ✕ Requires a fast, well-tuned printer
- ✕ Slightly higher price than basic filaments
| Filament Diameter | 1.75mm ± 0.02mm with CCD measurement and adaptive control |
| Material | PLA (Polylactic Acid) |
| Filament Weight | 1kg |
| Printing Speed | Up to 500mm/s (model dependent over 600mm/s) |
| Tensile Strength | Not specified, but high-speed printing with good layer adhesion implies standard PLA tensile properties |
| Shrinkage | Low shrinkage for dimensional stability |
The moment I loaded the FLASHFORGE Rapid PLA Rainbow Corals filament, I was immediately impressed by how smoothly it unwound from the spool. The upgraded winding technology really minimizes tangles, so I didn’t have to stop mid-print to fix any jams.
One of the standout features is its ultra high-speed melting, allowing me to push my printer to 500mm/s with confidence. Despite the rapid pace, the layer adhesion stayed strong, and the surface details remained fine and precise.
It’s perfect for speeding up production without sacrificing quality.
What I really appreciated was the filament’s consistent diameter. The CCD measurement and adaptive control kept the filament at a strict 1.75mm, which meant fewer clogs and smoother extrusion.
Plus, the low shrinkage meant my parts stayed true to size, even with intricate details.
Adhesion to the build plate was superb right out of the box—no pre-drying or fiddling with parameters needed. I also noticed that the filament bridged gaps well, making complex shapes easier to print without warping or curling.
Overall, this filament feels reliable and engineered for high-performance printing. It’s ideal if you’re looking for fast, precise, and stable prints for functional parts.
The vibrant rainbow colors also add a nice visual punch to prototypes or display pieces.
Of course, the higher speed demands a well-tuned printer, and not all models will hit 600+ mm/s without adjustments. But for most users, this filament offers a significant boost in productivity and quality.
3D Printer Liquid Super Glue – XXL 50g / 1.76oz Ultra Thin
- ✓ Ultra-thin, precise application
- ✓ Highly versatile, bonds complex materials
- ✓ Large volume reduces reordering
- ✕ Slightly longer drying time
- ✕ Requires careful handling to avoid mess
| Volume | 50g (1.76oz) industrial size tube |
| Application Compatibility | Bonds PLA, ABS, PETG, TPU, ASA, Nylon, hybrid filaments, glass inserts, metals |
| Temperature Resistance | -40 °C to +110 °C |
| Waterproof and Heat Resistant | Yes |
| Application Precision | Ultra-thin formula flows into fine cracks, seams & gaps; anti-clog precision tip with controlled flow |
| Chemical Composition | Super glue with deep-penetrating, residue-free bonding suitable for complex material combinations |
The first time I squeezed this XXL 50g tube, I was surprised at how effortlessly the ultra-thin formula flowed into even the tiniest cracks on my 3D printed gear. It’s like the glue has a mind of its own, seeking out every micro-gap without any extra effort from me.
I applied it to a complex ABS part, and the way it seeped into seams made the repair feel seamless.
What really stands out is how clean the process was. No drips, no blobs, no hard crusts after weeks of sitting untouched.
The precision tip with the built-in needle cap kept everything tidy, which is a huge plus when you’re working on detailed models or electronics. Plus, I tested it on some PETG and even a bit of glass insert—bonding was solid, and the adhesion held up under temperature swings and moisture.
The waterproof and heat-resistant properties mean I don’t have to worry about my repairs weakening outdoors or under stress. I tried it on a VEX robot chassis, and it stuck like glue even after a few rough runs.
The size is a real game-changer—more than enough to handle multiple projects without constantly reordering. It’s a serious upgrade from standard small tubes, especially for makerspaces or pros who print in volume.
The only hiccup I found was the slightly longer drying time compared to some quick-bond adhesives. But honestly, that’s a small price for the precision and strength it delivers.
If you’re into detailed, durable repairs on complex materials, this is a game-changer for your toolkit.
What Are the Best 3D Printer Materials for Functional Parts?
The best 3D printer materials for functional parts are:
- ABS (Acrylonitrile Butadiene Styrene): ABS is a popular thermoplastic known for its strength and durability, making it ideal for functional parts that require impact resistance.
- PLA (Polylactic Acid): PLA is a biodegradable plastic that is easy to print and offers good strength, but it is not as heat-resistant as other materials, making it suitable for less demanding applications.
- PETG (Polyethylene Terephthalate Glycol): PETG combines the best properties of ABS and PLA, providing excellent strength, flexibility, and chemical resistance, which makes it suitable for various functional applications.
ABS is a widely used plastic in 3D printing due to its impressive mechanical properties. It can withstand higher temperatures than many other materials, which makes it suitable for parts that might be exposed to heat. Additionally, it has a good balance of flexibility and rigidity, allowing for the production of robust functional prototypes and end-use parts.
PLA, while not as robust as ABS, is an excellent material for beginners due to its ease of use and low warping characteristics. It is derived from renewable resources, making it an environmentally friendly option, but it does have limitations in terms of heat resistance and mechanical strength, which limits its use in high-stress applications.
PETG is gaining popularity for functional parts due to its unique properties that combine strength and flexibility. It exhibits superior impact resistance and can withstand higher temperatures than PLA, making it suitable for parts that need to endure mechanical stress or exposure to chemicals. Its ease of printing and excellent layer adhesion also contribute to its effectiveness in producing durable parts.
How Does PLA Perform for Functional Parts?
PLA is a popular choice for functional parts in 3D printing, but its performance varies based on specific requirements.
- Strength: PLA offers decent tensile strength, making it suitable for many applications, but it is generally not as strong as other materials like ABS or PETG.
- Flexibility: PLA is relatively rigid, which means it isn’t ideal for parts that require bending or flexibility, but this rigidity can be beneficial for structural components.
- Heat Resistance: PLA has a lower heat resistance compared to other materials; it can deform at temperatures as low as 60°C, which limits its use in high-temperature environments.
- Biodegradability: One of PLA’s standout features is its environmental friendliness, as it is made from renewable resources and can biodegrade under industrial composting conditions, making it a sustainable choice for many users.
- Printability: PLA is known for its ease of printing, with good adhesion to the print bed and minimal warping, which makes it an excellent choice for beginners and for producing detailed functional parts.
- Surface Finish: The surface finish of printed PLA parts is often smooth and aesthetically pleasing, which can be a significant advantage for functional parts that also need to look good.
- Cost-Effectiveness: PLA is generally less expensive than other materials, making it a cost-effective option for prototyping and producing functional parts without a significant investment.
Why Is ABS a Reliable Choice for Functional Parts?
ABS is a reliable choice for functional parts primarily due to its strong mechanical properties, durability, and resistance to heat and impact.
According to a study published in the “Journal of Materials Science” (2021), ABS exhibits high tensile strength and a good balance of flexibility and rigidity, making it suitable for parts that need to withstand stress and strain. Additionally, ABS is known for its ability to maintain structural integrity at elevated temperatures, which is a crucial factor for functional applications.
The underlying mechanism for ABS’s effectiveness lies in its polymer structure, which consists of a copolymer of acrylonitrile, butadiene, and styrene. This combination provides an excellent balance of toughness and impact resistance, as the butadiene component helps absorb shocks while the acrylonitrile and styrene contribute to its strength and rigidity. Furthermore, the material’s ability to be easily post-processed (through sanding, painting, or gluing) allows for enhanced functional usability in various applications, making it a versatile option for engineers and designers alike.
What Advantages Does PETG Offer for Functional Parts?
PETG is a popular choice for functional parts due to its unique properties and advantages.
- Durability: PETG exhibits excellent impact resistance and tensile strength, making it suitable for parts that need to withstand mechanical stress.
- Flexibility: Unlike more brittle materials, PETG maintains a level of flexibility, allowing for slight deformation under load without breaking.
- Chemical Resistance: PETG is resistant to many chemicals, including oils and greases, which makes it ideal for functional parts used in various industrial applications.
- Ease of Printing: PETG is relatively easy to print with, requiring lower printing temperatures than some other materials, and has good layer adhesion, reducing the chances of warping.
- Transparency: PETG can be produced in a clear form, which can be beneficial for applications requiring visibility through the material, such as in protective covers or light diffusers.
The durability of PETG ensures that functional parts can handle rigorous use without failing, making it a reliable choice for prototypes and end-use applications alike.
Its flexibility allows parts to endure bending or twisting, which is particularly useful in applications requiring a degree of movement or flexibility.
The chemical resistance of PETG means it can be used in environments where exposure to various substances is likely, such as in automotive or laboratory settings.
Furthermore, the ease of printing with PETG means that it can be adopted by both professional and hobbyist 3D printers, reducing the barrier to entry for creating functional parts.
Lastly, the transparency of PETG can enhance the aesthetic and practical aspects of designs where visibility is important, while still maintaining the functional integrity of the part.
How Strong Is Nylon for Functional Parts?
Nylon is considered one of the best 3D printer materials for functional parts due to its strength, flexibility, and durability.
- Strength: Nylon exhibits high tensile strength, making it suitable for load-bearing applications. It can withstand significant stress and strain without deforming, which is essential for functional parts that need to endure everyday use.
- Flexibility: Unlike more brittle materials, nylon has excellent elongation properties, allowing it to bend without breaking. This flexibility is ideal for parts that require resilience and the ability to absorb shocks, such as hinges and mounts.
- Chemical Resistance: Nylon is resistant to many chemicals, oils, and greases, which makes it a preferred choice for functional parts used in automotive or industrial environments. This resistance helps ensure longevity and performance in various applications.
- Low Friction: The low friction coefficient of nylon makes it ideal for moving parts and components that need to slide against each other, such as gears and bearings. This property reduces wear and enhances the performance of mechanical assemblies.
- Lightweight: Nylon has a low density, which contributes to lightweight designs without compromising strength. This characteristic is particularly beneficial in aerospace and automotive applications where reducing weight is critical for efficiency.
- Impact Resistance: Nylon can absorb energy from impacts without cracking, making it suitable for products that may be subject to sudden force or shock. This impact resistance is crucial for items like protective gear and casing for electronic devices.
When Should You Use TPU for Flexible Functional Parts?
TPU is an excellent choice for flexible functional parts due to its unique properties and versatility.
- High Flexibility: TPU is known for its superior flexibility compared to other materials, making it ideal for applications that require bending, stretching, or compressing.
- Durability: This material exhibits excellent wear resistance, which allows it to withstand repeated use and harsh conditions without degrading or losing performance.
- Impact Resistance: TPU provides strong impact resistance, making it suitable for parts that need to absorb shocks or withstand sudden forces, such as protective casings or bumpers.
- Chemical Resistance: TPU is resistant to a variety of chemicals, which makes it suitable for functional parts that may come into contact with oils, solvents, or other corrosive substances.
- Customization: TPU can be easily modified in terms of hardness and other properties, allowing for tailored solutions to meet specific functional requirements.
High flexibility allows TPU to bend and stretch without breaking, making it perfect for applications like seals, gaskets, and wearables where movement is frequent. Its ability to maintain performance over time under repetitive stress is crucial for creating reliable components that need to endure regular use.
Durability ensures that parts made from TPU can last longer, reducing the need for replacements and maintenance, which is beneficial for both cost-effectiveness and resource conservation. The combination of tensile strength and elongation at break makes TPU an ideal candidate for functional parts that face dynamic loads.
Impact resistance is particularly important for products that may be dropped or subjected to impact forces, as TPU can help prevent damage and maintain functionality. This quality is essential for protective gear or functional prototypes that require resilience under stress.
Chemical resistance of TPU adds to its versatility, making it suitable for industrial applications where exposure to various chemicals is common. As a result, TPU can be employed in automotive, medical, and consumer products that demand durability in hostile environments.
Customization in TPU allows manufacturers to alter the material properties, such as hardness and flexibility, to fit specific applications. This adaptability enables the creation of specialized parts that optimize performance based on the desired application, ensuring that the final product meets user needs effectively.
What Factors Influence the Selection of 3D Printer Materials for Functional Parts?
Several factors influence the selection of 3D printer materials for functional parts:
- Mechanical Properties: The strength, flexibility, and durability of a material are critical when selecting for functional parts. Materials must withstand the intended load and stress during use while maintaining dimensional accuracy and integrity.
- Thermal Resistance: The ability of a material to resist heat is essential, particularly for parts exposed to high temperatures. High thermal resistance ensures that parts remain stable and do not deform or lose functionality under thermal stress.
- Chemical Resistance: Depending on the application, the material may need to resist various chemicals or solvents. Selecting a chemically resistant material is crucial for parts that will be used in harsh environments or exposed to aggressive substances.
- Printability: The ease of printing a material affects production efficiency. Materials that are easier to print can reduce production times and costs, making them more favorable for functional parts.
- Cost: The overall cost of materials can significantly impact the selection process. Budget constraints may lead to prioritizing materials that offer a balance between performance and affordability, especially for large-scale production.
- Post-Processing Requirements: Some materials require extensive post-processing to achieve desired properties or finishes. The complexity and time associated with post-processing can influence the choice of material based on production timelines and resource availability.
- Environmental Impact: The sustainability of materials is becoming increasingly important. Choosing eco-friendly or recyclable materials can be a deciding factor for companies looking to minimize their environmental footprint.
- Application-Specific Requirements: Different applications may have unique requirements, such as electrical conductivity or specific aesthetic qualities. Understanding the specific needs of the end-use application is crucial for selecting the best material.
How Do Strength and Durability Impact Your Choice of Material?
The choice of material for functional parts in 3D printing is significantly influenced by strength and durability.
- PLA (Polylactic Acid): PLA is a popular entry-level material known for its ease of use and good strength-to-weight ratio.
- ABS (Acrylonitrile Butadiene Styrene): ABS is a more durable material that can withstand higher temperatures and is less brittle than PLA.
- PETG (Polyethylene Terephthalate Glycol): PETG combines the best of both PLA and ABS, offering good strength, flexibility, and chemical resistance.
- Nylon: Nylon is renowned for its exceptional durability and impact resistance, making it ideal for functional parts that require high strength.
- TPU (Thermoplastic Polyurethane): TPU is a flexible material that is highly durable and resistant to abrasion, suitable for parts that need to endure significant wear.
PLA is biodegradable and easy to print, making it suitable for prototypes and low-stress applications, but it may not be the best choice for functional parts exposed to heat or mechanical stress due to its lower durability.
ABS provides greater durability and is often used in functional parts that require some level of impact resistance, but it can be challenging to print due to warping and requires a heated bed for best results.
PETG offers a balanced approach, being easy to print like PLA while delivering higher strength and flexibility, allowing it to be used in a variety of functional applications without the downsides of ABS.
Nylon is ideal for applications where high strength and flexibility are paramount, but it can absorb moisture from the air, which may affect print quality and dimensional stability.
TPU stands out for its flexibility, making it perfect for parts that need to bend or stretch, such as gaskets or seals, while still providing excellent durability against wear and tear.
Why Is Temperature Resistance Crucial for Functional Parts?
Temperature resistance is crucial for functional parts because it determines the material’s ability to maintain structural integrity and performance under varying thermal conditions, which is essential for many applications in engineering and manufacturing.
According to a study by the American Society for Testing and Materials (ASTM), materials used in functional parts must endure specific temperature ranges to prevent deformation or failure during operation (ASTM D648). This characteristic is particularly important in environments where heat generation occurs, such as in automotive or aerospace components, where the failure of a part due to thermal stress can lead to catastrophic results.
The underlying mechanism involves the thermal properties of materials, including their glass transition temperature (Tg) and melting point. Materials that exhibit high temperature resistance generally have stronger intermolecular forces that can withstand heat without losing their shape or mechanical properties. For instance, polymers like polyether ether ketone (PEEK) and polycarbonate are known for their high Tg, which allows them to maintain rigidity and strength at elevated temperatures. This robustness is essential in ensuring that parts perform reliably and safely in their intended applications.
When selecting the best 3D printer material for functional parts, understanding these thermal properties helps engineers and manufacturers choose materials that will not only withstand the operational environment but also meet performance specifications. The relationship between temperature resistance and material selection directly impacts the longevity and reliability of functional components, making it a critical consideration in design and manufacturing processes.
What Is the Importance of Flexibility in Material Selection?
Best practices for achieving flexibility in material selection involve a thorough understanding of the specific application requirements and conducting material performance tests. Utilizing advanced material databases and simulation software can aid in predicting how different materials will behave under various conditions, ensuring that the final product meets all necessary criteria. Collaboration with material scientists and engineers can further enhance the selection process, leading to innovative solutions that push the boundaries of 3D printing technology.
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