Technologies
Start Your Project Off Right With the Best 3D Printing Filament in 2022
There are a lot of different 3D-printing materials out there. Here’s how to pick the right one for your project.
You’ve got the best 3D printer you can buy, but without materials, you can’t get printing. If you chose a fused deposition modeling, or FDM, printer — the most common type of 3D printer for hobbyists — you’ll need a few rolls of special plastic. The material we use for FDM 3D printing is called filament and it’s an easy material to pick up. There are, however, different types of filament, each good for certain projects and terrible for others. You’ll want to make sure you’re using the best filament for the job at hand, or it may fail.
I’ve put together this primer of the different types of filament as well as choices of the best filaments from my favorite brands. This will be updated regularly and contains some great choices for you to start.


It’s important to choose both the right type of material and the right brand of that type, be it PLA, ABS or something more exotic. Here are the best of each of the five main filament types.Â
Read more: Best 3D Printers
Those categories are:


PLA is the easiest material to use to make awesome things.
James Bricknell/CNETPolylactic acid
Polylactic acid, or PLA, is the most common 3D printing filament and the easiest to use. Unlike most plastics, it’s made from corn starches so it is non-toxic and, in theory, compostable, though it takes an industrial composter to do it. PLA uses a fairly low heat — between 190 and 215 degrees Celsius (or between 374 and 419 degrees Fahrenheit) — to melt the plastic for extrusion so it is the safest of the filaments. Almost every FDM 3D printer in the world can print PLA.Â
PLA pros
- Nontoxic
- No awful smell
- Easy to use for a beginner
- Almost universally usable on any FDM printer
- Very cheap
PLA cons
- Can require a lot of sanding
- Can easily warp in the sun or high-temp environments
- Can be brittle
MatterHackers
Build PLA from MatterHackers is great for projects that require finishing (sanding, painting and so on). I have about 12 rolls of it in my workshop, and use it for large projects, including my Mandalorian armor or cosplay swords. The dimensional accuracy — how consistent the diameter is along the length of the roll — is good, though nothing mind-blowing. It’s well within the sweet zone.
Post-processing is where Build Series PLA shines. It is simple to sand and holds paint well, as long as you use a good primer and filler first. Like all PLA, it holds together well using superglue and even takes putty and Bondo without complaint.Â
Flashforge
The color of this PLA is hard to describe, but it is beautiful. It has a purple-blue-green hue to it and looks like metal that’s been heated up a lot. Right now it’s probably my favorite-looking filament on my shelf.
It’s also easy to print with, and because of the shifting colors it hides layer lines well. If you’re looking for a dark filament that you aren’t painting over, I’d pick up a few rolls of this today.
MatterHackers
For something completely different in the PLA world, check out Quantum by MatterHackers. Transitional filament, mixing multiple colors, has been around for a while, but it normally changes color across the length of the material. This causes it to change color as it goes further up the model.
Quantum is actually two colors fused across the entire width, so you get an amazing transition from left to right. It’s absolutely mesmerizing, and I love using it for all sorts of different projects. From vases to giant articulated octopuses, it makes any model look breathtaking.Â
Cookiecad
I have been meaning to buy some of this beautiful filament for some time now, and I’m really happy I did. The color is almost exactly the same as Mint choc chip ice cream and the tiny flecks of marble color enhance the look even more. It prints great, with a nice glossy finish, and I found printing it at a higher temperature brings out that gloss really well.Â
More importantly than the print quality though, I love it for the way it makes me feel. The color just makes me happy and reminds me of days at the beach with my kids. It’s gorgeous.
Sunlu
Sunlu is one of those filaments that is really easy to get hold of and prints well every time you use it. It says its dimensional accuracy is +/- 0.02mm, but I’ve been lucky to never have the variance above 0.01mm in hands-on use.Â
Sunlu also comes in some beautiful matte colors, which is a welcome break from more common shiny filaments. Sanding and printing with it is easy. If you’re new to 3D printing and need to increase your collection of PLA, this is a cheap way to do it.
James Bricknell/CNET
Rainbow filament tends to transition between colors very slowly. This means you often get only one or two colors per model. Creality’s latest rainbow filament has a much shorter transition, so you get a much nicer rainbow effect across your models. It looks great on this amazing dragon from Fotis Mint.
Polymaker
For projects you can show off without having to paint them first, PolyTerra might be for you. The colors are vivid, and because they are matte, you don’t lose details in the reflections like with shiny filament.
PolyTerra also comes in recycled cardboard reels, and the creator, Polymaker, will plant a tree in the area where the roll was bought to help offset the cardboard used. This filament is still plastic of course, but it helps my conscience to use it.
Ataraxia Art
In this article about this flexible PLAÂ I explained how, although this isn’t technically PLA, it does print much easier than TPU, a more common flexible filament. I used it to print an amazing Mandalorian Blacksmith helmet for my 4-year-old. She can’t break it because it’s so bouncy.
This isn’t for newbies, though. It took a lot of trial and error to get the setting for my 3D printer right, and because it is so soft the accuracy can be pretty wonky. But for something that’s different from normal PLA, it is worth checking out.Â
Acrylonitrile butadiene styrene
ABS was one of the more 3D printing filaments a few years back, and it still has some excellent uses. The biggest downside is the toxicity. You don’t want to breathe in ABS as it melts, so you’ll need a well-ventilated area. That aside, it’s sturdier and more heat-resistant than PLA. Most printers can print ABS, but you’ll need a heated bed that can reach 100 degrees Celsius for best results and protecting your printing job in an enclosed printer is a good idea.Â
ABS pros
- Can withstand a lot of heat
- Easy to sand
- Can be smoothed with acetone for a perfect shine
ABS cons
- Its fumes are toxic so it requires ventilationÂ
- It needs far more heat to print than PLA
- You will need an enclosure to get good results
Inland
Inland makes good filament across the board and its ABS is no different. I’ve never had issues with the dimensions, and the final product has consistent layer lines. Sanding Inland ABS is a joy as the material can be wet-sanded to a smooth finish.
MatterHackers
Fillamentum is one of my favorite ABS makers. The colors are always so vibrant, and while it costs a little more than the competition, it keeps that vibrancy even after the model is finished printing. If you’re looking for ABS that you don’t need to paint, Fillamentum is a great place to start.
Polyethylene terephthalate glycol
PETG is chemically similar to the plastic that water and soft drink bottles are made of, and is a great alternative to ABS. It has the heat-resistant properties of ABS without the toxic fumes and can be sanded much like PLA. Most FDM printers that can print PLA can print PETG, though it takes a little more effort to get right.
PETG pros
- Easier to print than ABS
- Holds a finish well
- Easier to store than other filaments
PETG cons
- Requires high temps, which can damage printer parts over time.Â
Protomaker
This USA-made PETG has an excellent glassy look that is hard to achieve in melted plastic. The aqua color is subtle and gives the appearance of a stained glass window when printed at the high end of its temperature scale.
Printing with it was easy, though the roll is a little big for printers like the Bambu Lab X1, that has enclosed filament system.
Matterhackers
The Pro series filament from MatterHackers is a much nicer product than a lot of standard PETG. Yes, it costs a little more, but it’s designed to help reduce some of the issues that filament suffers from. It reduces shrinkage, so the part you make is as close to the part you designed as possible. This is a great material for those who make 3D printed models for a living, rather than a hobby.
Overture
Overture PETG is a favorite because it comes in an economical two-pack, making it ideal for multiple or larger jobs. I’ve used a lot of Overture products, including PETG and PLA, and they always print well. I once printed an 11-foot-long Masamune sword using Overture and it came out looking awesome.
Thermoplastic polyurethane
TPU is a flexible material that can make cool rubbery models. Most people use it to 3D print phone cases, but more serious modelers often use it to create connectors or flexible hinges to other materials. It can be a difficult material to work with and is best used on a direct-drive 3D printer such as the Prusa Mk3s, rather than a Bowden printer like the Anycubic Vyper. A direct drive printer places the gears to move the filament directly on the print head, while a Bowden setup has them on the frame of the printer.Â
TPU pros
- Flexible
- Won’t warp in the heat
- Available in fun colors
TPU cons
- Terrible for making solid prints
- Hard to work with on budget printers
MatterHackers
MatterHackers Build Series Materials sit in the perfect balance between usability and cost. Yes, I’ve had failures with the Build Series, but once you get it dialed into your printer, you can make dozens of fun, springy models.Â
I like to use it to make fun toys for my kid’s preschool as they can be thrown around with no fear of breaking into small, sharp pieces.
Exotic filaments
Exotic filaments are ones that are outside the normal five choices, or interesting variations on those choices. They’re often PLA mixed with carbon fiber or glow-in-the-dark chemicals and something that prints outside the normal parameters of a 3D printer. You’ll often need to upgrade your printer nozzle to use these. It’s advanced stuff, but I wanted to show you my favorite glow-in-the-dark filament, which is fun to print with.
Amolen PLA
Glow-in-the-dark filament normally comes in a standard “radioactive” green, but this beautiful roll transitions through multiple colors. It’s simply gorgeous.Â
It’s also worthwhile to buy some replacement brass nozzles for your printer as glow-in-the-dark filament can chew them up pretty quickly because the glowing material is more abrasive than standard colors.Â
Filament FAQ
What filament should I start with?
If you’re buying a printer for the first time, the best choice of filament is PLA. It is the easiest to print with, the safest in terms of fumes and the most readily available. Think about laying in a store of PLA when you first start. A 1-kilogram roll feels like a lot, but once you get the itch, materials get eaten up quickly.
Are there different sizes of filament?
Yes. There are two main thicknesses of filament and if you get them mixed up, your machine won’t print.Â
1.75mm filament is the most common. It’s been adopted by most of the 3D manufacturers in the world and if you have an entry-level printer, it’s likely to run on 1.75mm filament.
Some 3D printers still use the thicker 3mm style, though, so make sure you know which one yours uses before you spend a lot of money on the wrong material.
Are all filaments toxic?
When 3D printing with any filament, it is important to remember that you are essentially burning plastic. Inhaling that kind of thing is never going to be good, but not all filaments are equally bad.
Of the four main filament types, ABS is easily the most toxic. You shouldn’t think about printing it unless you have a well-ventilated space away from your day-to-day living spaces. I have a workshop with a full ventilation system and the fumes can still be pretty bad.
Both PLA and PETG are considered nontoxic, though you still want to keep your area ventilated as you use them. Both filaments are safe to print inside your home and while the fumes can smell pretty bad, they’re not classed as carcinogenic. While other forms of TPU can be toxic, the filament you use for 3D printing is considered nontoxic and nonreactive so you should be fine printing that as well.
Does the filament keep the same color after printing?
Normally yes. If your printer isn’t calibrated well, it could burn the filament, which would discolor it. But normally the color accuracy is pretty close.Â
A special note on clear plastics: You will not be able to get a completely translucent print with filament. The nature of the printing process makes any clear plastic misty and infill makes it blurry as well. If you are looking to print glass-like models, you will need a resin printer.


Having the right diameter makes for a better print.
Dan Ackerman/CNETHow we test filament
The testing of filament is mainly focused on a few details: Dimensional accuracy, winding precision, and printing quality. Winding precision is a visual test where I check to make sure the filament works well on the spool, without any crossovers that can cause snags while printing.
Print quality is done using a CNET calibration test that I use to test all of the 3D printers I review. When checking for filament quality, I’m looking for noticeable roughness and missing filament where moisture or other contaminants have interrupted the process of melting and cooling.


Dimensional accuracy is perhaps the most important test as it measures the consistency of filament. As you move along, the filament changes in diameter will cause the 3D printer to over- or under-extrude filament. This creates noticeable scarring in your model, or worse, complete failure. You want the material to have the same diameter the whole way through.Â
To measure the accuracy, I take a 5-meter piece of filament from the beginning, middle and end of the roll and measure the diameter at four equally spaced points. I then add all of those measurements up and divide the total by 12 — the total number of measurements taken — to give me an average across the roll. Most modern printers use 1.75mm filament so you want the filament to be as close to that as possible.Â
Great filament has a variance of +/- 0.02mm, good filament is +/- 0.03mm and rough filament is anything +/- 0.05mm. All of the filaments we have recommended here are at least 0.03mm on average.
More on 3D printing
Technologies
Nvidia CEO Jensen Huang emerges as Trump’s top ally in AI safety debate
Jensen Huang’s position as the leader of the world’s most valuable company, has earned him Trump’s ear on the most important topics in AI.
With the debate about regulating artificial intelligence raging in Washington this week, President Donald Trump picked up the phone to call his top ally on the subject: Nvidia CEO Jensen Huang.
âThe robots are not going to be taking over the world,â Trump told Huang, whoâd put the president on speaker while on stage at the All-In Summit in Los Angeles on Monday. Trump repeated a point heâd made on social media: that mounting AI and data center concerns are a âhoax.â
While other tech leaders like Meta CEO Mark Zuckerberg and Amazon founder Jeff Bezos have cozied up to Trump during his second term, experts told CNBC that Huang is exercising outsized influence in the White House. Heâs slated to attend Trumpâs high-profile state dinner for Chinese President Xi Jinping next week, according to a person familiar with the matter who asked not to be named due to confidentiality.
Nvidia has been powering the AI boom since before the launch of ChatGPT in late 2022, supplying the graphics processing units used by OpenAI, Anthropic and others to train their models and run large workloads. Revenue surged to $215 billion in the latest fiscal year, up from $17 billion in 2021.
Huangâs position as the leader of the worldâs most valuable company and the chipmaker at the heart of the AI boom has earned him the presidentâs ear on the most important AI topics.
âTrump just likes winners, and Jensenâs very good at speaking his language,â Samuel Hammond, director of AI policy at the think tank Foundation for American Innovation, said in an interview.
An Nvidia spokesperson declined to comment, and White House representatives didnât respond to a request for comment.
Whether joining Trump for a candlelit dinner at his Mar-a-Lago club in Florida, or closing a keynote by thanking guests for âmaking America great again,â Huang has learned how to appeal to the president. Trump and Huang have appeared together at least six times in public since the start of the second term, including trips to Saudi Arabia and the U.K., and a recent trip to China via Air Force One.
Huang is pushing for U.S. AI to move faster while some of Nvidiaâs most important customers â namely OpenAI and Anthropic â are ramping up pressure on governments to regulate the technology as fears spread about its potential dangers.
An Anthropic researcher, Jacob Coxon, who previously worked at OpenAI, said he quit his job earlier this month because he feared top AI labs are âgambling with our lives.â Coxonâs resignation set off a firestorm on social media, prompting calls for increased oversight from more than 20 members of Congress.
Concerns were already swirling after OpenAI disclosed a significant security incident in July, when two of its models escaped containment, accessed the open internet, and breached the online AI repository Hugging Face to get a better score on a benchmark test.
Anthropic CEO Dario Amodei cited that episode in a bombshell essay a week ago, urging AI developers to slow how quickly they improve their most advanced AI models. Amodei encouraged companies to cooperate directly with the U.S. government, and reiterated his desire for âwell-considered regulation of AI.â
Amodeiâs âpacingâ proposal was endorsed by other industry leaders, including OpenAI CEO Sam Altman, SpaceX CEO Elon Musk and Google DeepMind Chair Demis Hassabis, who agreed on the need for a slowdown and additional oversight.
âDid no harmâ
Huang took a different position.
In public appearances over the past week, the Nvidia CEO brushed off concerns about AIâs risks. He said that predictions of doom arenât grounded in science, and that model developers are responsible for securing their products before releasing them.
The solution to safety concerns, Huang said in Scotland on Thursday, is âgood old-fashioned engineering.â
âThere were incidents, and those incidents, thankfully, did no harm,â Huang said.
Huangâs position is largely shared publicly by David Sacks, a venture capitalist who previously served as Trumpâs AI and crypto czar. Sacks co-hosts the âAll-Inâ Podcast, which produced Mondayâs event that featured the Trump-Huang call.
âThe only control or âguardrailsâ that AI needs is a STRONG AND SMART (High IQ!) PRESIDENT, and the U.S.A. has that, in spades!,â Trump wrote in a post on Truth Social on the same day as the summit.
Before the recent uproar over safety, Nvidia focused its Washington outreach on export controls.
Last year, Nvidia was pushing to sell its AI chips to restricted countries, including China, drawing sharp criticism from U.S. lawmakers.
Some members of Congress, including Sens. Elizabeth Warren, D-Mass., and Josh Hawley, R-Mo., have cautioned that selling Nvidia hardware to China could threaten U.S. national security and narrow Americaâs lead in AI.
In December, Huangâs strategy paid off. Trump announced that Nvidia was granted permission to ship its H200 chip to Chinese customers, and that the U.S. would collect a 25% fee in exchange.
The H200 announcement drew intense pushback from both sides of the aisle. Huang declined an invitation from Warren to testify before the Senate Banking Committee in June. The following month, a top U.S. trade official confirmed that H200 sales to China were underway.
Profit motive
Nvidia and Huang argued that banning Nvidia exports to China would be against American interests, in part because such a move would spur the worldâs second-largest economy and computing market to develop its own cutting-edge AI chips. The H200 is no longer Nvidiaâs most powerful chip, as it has shipped two generations of its newer Blackwell processors in the U.S.
But Nvidiaâs fate wasnât entirely up to U.S. lawmakers, as Chinaâs regulators mostly blocked imports of the H200 chips.
Nvidiaâs clear profit motive leads some experts to say it takes the concerns expressed by model developers more seriously than those of the chipmaker, because the labs are the ones responsible for the actual AI technology.
âNvidia is the most aggressive in terms of, letâs just make money,â said Andrew Yoon, a researcher at CivAI, a nonprofit warning about the dangers of AI. âAt every turn, they are really trying to just make sure whatever happens is good for Nvidiaâs bottom line.â
Nvidiaâs ambitions in China will loom large during the state dinner on Thursday, when Trump, Huang and Xi will all be in the same room. The White House is also planning a meeting with major AI executives to coincide with the event, according to CNN. Other industry executives, including Altman, are expected to attend.
But Huangâs presence carries extra weight. During a House hearing on Monday, Treasury Secretary Scott Bessent was asked if Trump understands the threat AI presents.
âI would just say the president is completely aligned with Jensen Huang, the CEO of Nvidia,â Bessent said.
WATCH: Nvidia CEO Jensen Huang says safety is an engineering problem
Technologies
Iranian President Pezeshkian to travel to New York for UN summit as Trump threatens consequences of no agreement
Iranian President Masoud Pezeshkian is set to attend the UN General Assembly in New York as diplomatic hopes rise, even as U.S. President Donald Trump warns of severe consequences if no deal is reached.
President Masoud Pezeshkian is set to lead an Iranian delegation at the United Nations General Assembly in New York on Tuesday, as fresh optimism emerges for a diplomatic resolution to the Middle East conflict.
According to the semi-official Tasnim news agency, Pezeshkian will deliver a speech before the assembly, outlining Iranâs stance on âinternational developments,â with special attention to its conflict with the U.S. and Israel.
He is also expected to meet with several world leaders on the margins of the gathering, which runs from Sept. 22 to 26, and Sept. 28.
The Iranian delegationâs participation at the UN has sparked renewed optimism for a diplomatic path out of the war, boosting market sentiment on Monday â equities climbed, oil prices softened, and global bond yields dropped sharply.
However, U.S. President Donald Trump â who has indicated willingness to meet Pezeshkian during the assembly â has warned that Iranâs economy would be devastated or its leadership eliminated if Tehran fails to reach an agreement.
Speaking to Fox News on Sunday, Trump said the only choices available were âwiping Iran out,â or allowing its economy to ârot,â unless a deal is reached.
Meanwhile, Iranâs military said its intelligence pointed to a new, large-scale strike being orchestrated by the U.S. and its allies, cautioning of âpainfulâ retaliation throughout the Middle East. Any regional nations supporting such an attack would be considered participants in the conflict, it added.
âIf the U.S. commits any error against the Islamic Republic of Iran, all its positions and interests in the region will face sustained, effective and painful strikes,â the Khatam al-Anbia Central Headquarters of Iran stated, per Tasnim.
Houthi-Saudi conflict complicates diplomacy hopes
The U.S. State Department issued a security alert over the weekend, warning of potential unforeseen escalation in the Middle East and urging Americans to stay vigilant and prepare for possible flight cancellations and airspace closures.
The alerts followed claims by Iran-backed Houthi militants of missile and drone strikes on Riyadh on Saturday, which triggered the first air-raid warning in the Saudi capital since hostilities intensified in July.
Saudi officials reported that a ballistic missile was intercepted and destroyed, with no casualties or damage. The Houthis also tried to strike civilians and infrastructure across multiple areas of the kingdom, according to Saudi-led coalition spokesperson Major-General Turki al-Maliki, who posted on X on Saturday that those attempts were repelled by the countryâs air defenses.
Despite widening hostilities, oil prices have retreated in recent days as traders anticipate a recovery in energy shipments from oil-rich Saudi Arabia.
Oil prices will stay elevated despite U.S. advances in moving oil through the Strait of Hormuz, a team of analysts at Eurasia Group noted in a Saturday report. Any increase in oil flows would be insufficient to close the overall market deficit, they said, projecting Brent prices to trade in a higher range of $90-110 per barrel for the remainder of this year.
âIranâs leadership will stick with resistance, even as they quarrel internally,â the consultancy firm stated, noting that Tehran aims to use military proxies and tanker attacks to maintain a chokehold on shipping flows and pressure Washington into concessions.
Tehran has maintained it will not reopen the Strait of Hormuz until Washington honors its commitments under the June memorandum, which called for lifting the naval blockade of Iranian ports, easing sanctions, unfreezing Iranian assets, and ending U.S. military threats.
Iranian parliament speaker Mohammad Bagher Ghalibaf said Sunday that Iran must continue both fighting and negotiating to push back its adversaries, and only pursue diplomacy when it holds the advantage on the battlefield.
Technologies
Oil prices drop below $100 per barrel as Trump shows willingness to engage with Iran
Oil prices fell below $100 per barrel as Trump expressed openness to diplomacy with Iran, amid ongoing regional tensions and attacks.
On Monday, crude oil prices saw a sharp decline, trading below $100 per barrel, after President Donald Trump reportedly opted against bombing Yemen for the time being and signaled openness to diplomacy with Iran. U.S. West Texas Intermediate futures decreased by 5.4% to $94.85 per barrel by 10:48 a.m. ET. Brent crude, the international benchmark, experienced a fall of 4.1% to $99.61 per barrel. Oil prices have declined for four consecutive sessions as the market retreats from the recent rally. Trump informed Fox News that he might be willing to meet with Iranian President Masoud Pezeshkian during this week’s UN General Assembly. Additionally, the U.S. president has chosen not to bomb Iran-allied Houthi militants at present, despite appeals from Saudi Arabia, according to Trump administration officials who spoke to The New York Times. In the meantime, crude exports from the Middle East have remained resilient following Saudi Arabia’s shutdown of its crucial East-West pipeline due to attacks, as stated by JPMorgan analysts in a note dated Sept. 18. Total oil flows averaged 17 million barrels per day over the past 10 days, which is 6 million bpd below the 2025 average, they reported. Exports through the Strait of Hormuz have steadily increased, with flows from the broader Middle East reaching approximately 80% of pre-war levels, according to Ryan McKay, director of commodity strategy at TD Securities. McKay stated in a Monday note that without a major escalation, Iran may have lost significant leverage in the Strait. However, the security situation in the region continues to be volatile and susceptible to sudden escalation. McKay noted that the oil market is struggling with multiple near-term drivers that are engaged in a tug of war for prices. The Houthis announced that they launched missiles at Riyadh, the Saudi capital, and targeted Aramco facilities at the Yanbu crude export terminal on the Red Sea over the weekend. At least two tankers have been attacked while transiting the Strait of Hormuz in the past day, based on incident reports from the United Kingdom Maritime Trade Operations Centre. Trump also told Fox that he is in a ‘deciding mode’ and that ‘very big things’ will happen soon concerning the Iran war. He described the options as ‘wiping Iran out, letting them rot economically, or making a deal,’ as reported by Fox. Meanwhile, Iran’s Revolutionary Guard warned that it will expand the ‘geography of the conflict’ if the U.S. launches renewed strikes against the Islamic Republic, according to the state media outlet Tasnim.
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