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.
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.
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.
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.
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.
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.
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 PLA 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.
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.
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 ventilation
- 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.
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.
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.
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.
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.
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.
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.
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.
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.
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
Today’s NYT Connections Hints, Answers and Help for March 18, #1011
Here are some hints and the answers for the NYT Connections puzzle for March 18 #1011.
Looking for the most recent Connections answers? Click here for today’s Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles.
Today’s NYT Connections puzzle is pretty tricky, but musicians might find the blue group easy. Read on for clues and today’s Connections answers.
The Times has a Connections Bot, like the one for Wordle. Go there after you play to receive a numeric score and to have the program analyze your answers. Players who are registered with the Times Games section can now nerd out by following their progress, including the number of puzzles completed, win rate, number of times they nabbed a perfect score and their win streak.
Read more: Hints, Tips and Strategies to Help You Win at NYT Connections Every Time
Hints for today’s Connections groups
Here are four hints for the groupings in today’s Connections puzzle, ranked from the easiest yellow group to the tough (and sometimes bizarre) purple group.
Yellow group hint: Time between two things, maybe.
Green group hint: That smarts!
Blue group hint: Rockers know these well.
Purple group hint: You might write one out to pay a bill.
Answers for today’s Connections groups
Yellow group: Interval.
Green group: React to a stubbed toe.
Blue group: Guitar effects pedals.
Purple group: ____ check.
Read more: Wordle Cheat Sheet: Here Are the Most Popular Letters Used in English Words
What are today’s Connections answers?
The yellow words in today’s Connections
The theme is interval. The four answers are patch, period, spell and stretch.
The green words in today’s Connections
The theme is react to a stubbed toe. The four answers are curse, hop, wince and yell.
The blue words in today’s Connections
The theme is guitar effects pedals. The four answers are delay, reverb, wah and whammy.
The purple words in today’s Connections
The theme is ____ check. The four answers are blank, coat, rain and reality.
Toughest Connections puzzles
We’ve made a note of some of the toughest Connections puzzles so far. Maybe they’ll help you see patterns in future puzzles.
#5: Included «things you can set,» such as mood, record, table and volleyball.
#4: Included «one in a dozen,» such as egg, juror, month and rose.
#3: Included «streets on screen,» such as Elm, Fear, Jump and Sesame.
#2: Included «power ___» such as nap, plant, Ranger and trip.
#1: Included «things that can run,» such as candidate, faucet, mascara and nose.
Technologies
My Kid Wanted Video Games. I Was Against It. This Console Gave Us Both the Win
The movement-based Nex Playground might be the antidote to parental screen time guilt.
When our 8-year-old started asking for video games, I knew we were about to engage in an uphill battle. Anytime we’ve been to friends’ houses with gaming consoles, he goes full zombie mode, then has an epic meltdown once the sensory overload wears off. And since he inevitably ropes his 6-year-old brother in, we’re essentially sealing both their fates.
So when our neighbors started raving about a movement-based gaming console called Nex Playground, my first instinct was to shut it down. The words «gaming console» alone were enough to put me in a mental block. Add in my own memories of Wii tennis sessions where I nearly took out the ceiling fan, and I was firmly in the «no» camp.
But after doing a little more research, I was intrigued enough to try it out.
Screen time isn’t something I take lightly. With three kids ages 2 to 8, my husband and I have always been intentional about how and what they watch. They don’t have their own tablets, and most of their screen time happens on our family TV, which means whatever the oldest is exposed to quickly trickles down to our toddler. So anything we bring into the house has to work for all of them. Tall order, I know, but the Nex Playground gets surprisingly close.
Getting started is easy
The console itself is refreshingly simple. It’s a small cube, slightly larger than a Rubik’s cube, with a circular camera and motion sensor, a light indicator and two ports for power, and an HDMI connection to the TV. There’s no controller beyond a basic remote for navigating menus. For most games, your body is the controller.
Setup is quick. Plug it in, connect it to your TV, and you’re ready to go. It doesn’t store video or upload footage to the cloud, which was an immediate plus. It also comes with a magnetic privacy cover that you can put on the lens when it’s not in use.
At $250, it’s not cheap, but it’s less than some of the popular gaming consoles for this age range, like the Nintendo Switch 2. That gets you a five-game starter pack: Fruit Ninja, Go Keeper (soccer), Starri (think Guitar Hero for your whole body), Party Fowl (an AR emoji frenzy) and Whack-a-Mole. Additional games require a subscription: $89 a year or $49 for three months, which unlocks a library of 50-plus games and counting. New titles dropped even as I was writing this.
The library spans a surprisingly wide range. There are board game adaptations like Connect Four and Candy Land, character-driven games with Peppa Pig, Bluey and the Ninja Turtles, and sports like baseball and, yes, tennis — minus the ceiling fan hazard. There’s even parent-friendly content like Zumba workouts, which I may or may not have fully committed to on a rainy afternoon.
Even my toddler has gotten in on the action, mostly bouncing her way through Hungry Hungry Hippos when her brothers finally concede.
Gameplay is where it wins
The movements range from swinging your arms to keep a ball in motion, hopping or full-body launches that are far more aggressive than what the game actually requires. (I’m not about to tell the kids otherwise.) After a 45-minute session, my kids are tired and sometimes even drenched in sweat. The Nex Playground entertains and burns energy in one fell swoop.
The graphics also seem intentionally simple and arcade-like, which fits the minimalist play experience. There’s no POV storyline to get lost in, no leveling up into a new world at 9 p.m. on a school night. Some games keep score, which awakens my kids’ competitive streak, but the vibe is more collaborative and hasn’t been the catalyst for more fighting like other games. If anything, it’s done the opposite.
I still don’t love defaulting to a screen when my kids are bored, so we try to use it in moderation. In our house, piano practice is the only thing that unlocks weekend play time, and the fact that they’ll sit at the piano for a full hour tells you everything you need to know.
The verdict that matters most
But the real test: Does it hold up to an 8-year-old who was dead set on a Nintendo Switch?
Short answer: yes. At least for now. He’d still pick the Switch if you asked him, but not for the reasons you’d expect.
«The Playground is more tiring,» he told me, which only helped seal the deal for me. His current favorite is Homerun Hitters. «It’s basically a baseball game where you go against ranked global players. Me and my brother are really good at it.»
This from a kid whose primary hobby is annoying his younger brother. The fact that he said «me and my brother» as a collective was an unexpected bonus.
The Switch may still show up on the Christmas list this year. And realistically, I know I’m on borrowed time. As kids get older, «cool» becomes the currency, and a motion-based cube probably won’t hold up against an Xbox or a Switch once playdates turn into side-by-side gaming sessions.
The Nex Playground isn’t a replacement for those. It’s more of a detour; it gives them a taste of gaming without all the usual side effects. Even if I do eventually cave, I can still see it sticking around for the occasional family game night or as a rainy-day sibling diffuser.
In the meantime, I’ll relish this simpler version of gaming while I still can. He’s not exactly rushing me to return this review unit. More importantly, neither am I.
Technologies
Don’t Wait for New Emoji in iOS 26.4, Here’s How to Create Them on Your Own
If your iPhone has Apple Intelligence, you can create your own emoji now.
Apple will likely add new emoji to your iPhone when the company releases iOS 26.4. Those new emoji could include an orca, a distorted smiley face and more. According to Emojipedia, there are 3,953 emoji with more on the way. The current list of emoji include smileys, sports players, weather conditions and flags. But there’s no emoji for a dog wearing pajamas, a plate with burgers and fries and many other things. But if you have Genmoji on your iPhone you can create these emoji and many more.
Apple released iOS 18.2 in 2024 and the company introduced its own emoji generator, called Genmoji, to Apple Intelligence-capable iPhones at that time. The Unicode Standard, a universal character encoding standard, is responsible for creating new emoji, and approved emoji are added to all devices once a year. With Genmoji, you don’t have to wait for new emoji to appear on your iPhone each year. You can just create them as you need them.
Read on to learn how to use Genmoji on iPhone to create your own custom emoji. Just note that only iPhones with Apple Intelligence, like the iPhone 17 lineup, can use Genmoji at this time.
How to make custom emoji
1. Open Messages and go into a chat.
2. Tap the plus (+) button next to your text box.
3. Tap Genmoji.
You can then type a description of an emoji into the text box near the bottom of your screen and tap the check mark on your keyboard to enter that description into Genmoji. You can also tap different suggestions and themes that are right above the text box. And with iOS 26 or later, you can also combine and use emoji to create others rather than describing a new emoji or using suggestions.
Your iPhone will generate a series of new emoji for you to pick from according to your description, and you can swipe through these new emoji. When you find the one you want, tap Add in the top right corner of your screen and the new emoji will be available to use as an emoji, tapback or a sticker. Now you don’t have to wait for the Unicode Standard to propose, create and bring new emoji to devices.
For more iOS news, here’s what to know about iOS 26.3.1 and iOS 26.3. You can also check out our iOS 26 cheat sheet for other tips and tricks.
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