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Best 3D-Printing Accessories: Make the Most of Your 3D Printer

From tiny 3D-printer scrapers to giant machines, we have everything you need to level up your 3D-printing experience.

With some hobbies, extra tools and accessories can make them even more fun. 3D-printing is one, and the addition of a good set of extras will make your 3D-printing time much easier.  Often these accessories are simple — a set of snips for cutting filament or a bit of glue to help bed adhesion — but there are also new pieces of hardware that can significantly improve your print quality or give your 3D printer powers it never had before. More than that, though, good accessories can make even the best 3D printers run above and beyond their normal scope.

I’ve amassed a huge number of helpful accessories after nearly a decade of 3D printing and have researched many others. Amazon is a great resource for finding basic 3D-printing accessories, and California-based MatterHackers has everything you need for more advanced upgrades and gear. 

Best accessories for beginners

A flat bottom palette knife A flat bottom palette knife

Buildtak

While every 3D printer comes with a paint scraper that you can use to remove models from the build plate, not all are created equal. Most 3D printer scrapers don’t allow you to get the blade low enough to lift a model without damaging the build surface. I use the Buildtak 3D printer scraper because it can swipe under the model without gouging down, making them pop right back up.

A pink hand basket full of tools A pink hand basket full of tools

James Bricknell/CNET

These little storage caddies are incredibly helpful for more than just storing shower products. The separate compartments make it easy to store all of your hex key wrenches, scrapers and filament cutters in a way that makes it easy to move them around your workspace with the handy handle. I have three of these in my workshop and I use them for 3D-printing tools, assorted glues and sandpaper. It makes life a lot easier.

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Caliper with digital LED Caliper with digital LED

Jiavarry

A digital caliper is a helpful 3D-printing accessory, especially if you’re creating your own models. Most can measure details down to a thousandth of a millimeter, which lets you design with a high degree of accuracy. 
Having a set of calipers also helps you measure your prints to make sure they’re printing in the correct size and shape.

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HDX gray storage cabinet HDX gray storage cabinet

Home Depot

Having a central place to store your materials is important to keep them safe and dry. These cabinets from Home Depot are expandable and easy to build. They’re perfect for stacking your filament or resins safely, and if you add a small dehumidifier or desiccant packets, you can keep everything dry, too.

mk8 nozzles in a row mk8 nozzles in a row

Creality

Most 3D printers come to you with a 0.4mm nozzle, which is fine for most uses. There are a lot of cool projects you can make with larger nozzles, though: Try making thick vases using a 0.8mm nozzle or detailed miniatures with a 0.2mm nozzle. Having a variety of nozzles will expand your horizons to no end.

These Mk8 nozzles are designed for the Creality Ender 3, but many printer companies either use the same Mk8 nozzles or variety packs of their own.

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A stick of Magigoo and the box it comes in A stick of Magigoo and the box it comes in

Magigoo

Magigoo is like a glue stick on steroids. It is specifically designed to hold 3D prints to the build plate while printing but comes loose easily when the bed is finally cooled. It’s incredibly satisfying to print models that are barely touching the build surface that act like they are held down with cement. A small bottle goes a long way too, so it’s worth the price.

aquanet-hairspry aquanet-hairspry

Aquanet

Did you know that the 3D-printing community uses so much Aqua Net hairspray that Amazon’s “Frequently bought together” section shows filament and replacement printer beds? Aqua Net is used as a transition adhesive that both helps your filament stick to the build plate, and when it gets cold, makes it easier to remove. You have to be careful not to spray it onto any moving parts, but if you take off your removable build plate and spray it gently and evenly you will see better results immediately. 

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deburring-tool deburring-tool

VASTOOLS

Models often have sharp edges when they first come off of the build plate, especially if you’ve used a brim to anchor them down. A deburring tool like this smoothes those edges with a simple swipe across the corner. It takes a little getting used to, but if you’re making something for people to handle, a deburring tool is a must.

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Set of 13 hex wrenches in a red clamp Set of 13 hex wrenches in a red clamp

Tekton

If you live here in the US, you may well have a set of hex wrenches that you use for most things. However, 3D printers are made using metric measurements, and not inches, so they will either be loose and damage the nut or not fit at all. A good set of metric hex wrenches are affordable and make 3D printing easier.

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dessicant-pouches dessicant-pouches

DryTote

Desiccant is a much needed tool in the fight against moisture. Even the best 3D-printing filament can be degraded by absorbing too much moisture, and if you live in a damp climate, storing your filament in a cool dry place with a desiccant pouch is a great way to keep it usable for longer. These pouches are a little pricier than some, but they can be recharged by heating them up so you can use them again and again.

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Elmers Washable School Glue Sticks Elmers Washable School Glue Sticks

Elmers

Like the hairspray, glue sticks help hold a print down, while also adding a barrier between the print and the plate. Some materials stick a little too well to a build plate and can tear a mat or even crack a glass plate. Glue sticks are water soluble too, so it’s easy to wash off with soap and water.

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Accessories for intermediate and advanced users

Special case surrounding a 3d printer Special case surrounding a 3d printer

Wham Bam

If you’re hoping to print a filament like ABS, you’ll need your 3D printer to be very hot with no breezes. If you live in a particularly cold climate an enclosure is a helpful way to warm up the area around your 3D printer without having to pay a fortune on heating bills. The Wham Bam HotBox has two sizes, so even if you have a bigger machine you can reap the benefits of a warmer build area.

A black hotend assembly with a red silicone booted nozzle A black hotend assembly with a red silicone booted nozzle

E3D

One of the best upgrades to be released in recent years is the Revo rapid change system from E3D. Available for a huge number of 3D printers, this hotend replacement adds the ability to quickly swap out your nozzles without the use of wrenches and pliers. You can remove the filament, let the nozzle cool down and twist it off with your fingers. 

Being able to easily swap nozzles opens up new printing techniques with larger nozzles for strength and smaller ones for detail. It is a must-do upgrade for any compatible machine.

obxidian nozzles lined up in a row obxidian nozzles lined up in a row

MatterHackers

Nozzles are consumable in 3D printing and you can expect to use them up fairly frequently. If you print materials with abrasive materials such as carbon fiber, wood or even glow in the dark, your nozzle could be destroyed in just one eight-hour session. The ObXidian nozzle is specially hardened to reduce wear and tear and keep your nozzle printing for much longer.

It’s also a part of the Revo system I just mentioned, so can be easily swapped out for different sizes or other nozzles easily.

A black box on a stand with a green LCD A black box on a stand with a green LCD

Mosaic

The Palette 3 is a multimaterial unit that lets your standard 3D printer print multiple colors or types of filament. It opens up a huge amount of variety in your 3D printing and can help you create a truly unique model. You can even take an existing digital model and “paint” colors onto it so that when it prints, it is a multitude of — well up to eight — colors.

A black wooden box with 6 different color filaments inside A black wooden box with 6 different color filaments inside

Repkord

The RepBox is a community favorite for a number of reasons. The creator is an awesome advocate for 3D printing and the box itself is a fantastic design that can be mounted or sat on a workbench. The RepBox holds six 1kg rolls of filament and comes with several dehydrating cases to keep them fresh. The filament is fed out of the box directly into a Palette system or multiple printers without ever touching the moist air.

3D printer accessories FAQ

What’s the best 3D-printing tool for beginners?

When you first start 3D printing, the most important thing to get right is your first layer. It takes time to get the build plate level enough to print consistently, so any tool that can help with that is important. Any of the bed adhesives in this list will help your first layer lay down better, and make it easier to remove the print once it is done.
Glue sticks and hairspray may seem like low-tech solutions for a high-tech machine, but they work and they’re cheap.

How does nozzle size affect 3D printing?

Nozzle size determines how much material you can push through at any given time. The standard nozzle has a 0.4mm hole in it, but there are nozzles available from 0.2mm to 0.8mm and beyond. A good rule of thumb is that if you want a stronger print, go big, and if you want detail, go small. 

I would say that there is a move to replace 0.4mm nozzles with 0.6mm nozzles as a standard, as you lose very little detail in the change, but the models print quicker and tend to be stronger too.

Technologies

Inside India newsletter: World’s Largest Real-Time Payments System to End Free Access for All

India’s unified payment interface (UPI), the world’s largest real-time payments system, will start charging merchants a 0.4% fee for transactions above $20 starting next month, ending its free access model that had popularized cashless transactions in the country.

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Hello, this is Priyanka Salve, writing to you from Mumbai.

Welcome to the latest edition of “Inside India” — your one-stop destination for stories and developments from the world’s fastest-growing large economy.

The world’s largest payments system by volume, India’s unified payment interface, popularized cashless transactions in the country by offering complimentary services to all. This is about to change. Starting next month, merchants will need to pay a fee of 0.4% for accepting payments exceeding $20.

While the government has defended the move, confident it will not harm India’s progression toward a cashless economy, critics disagree.

What are your thoughts on today’s newsletter? Share them with the team.

The main story

The Indian government’s decision to charge merchants using its globally acclaimed real-time digital payment system, UPI, which competes with Visa and Mastercard, has ignited intense debate in the country.

While some critics have questioned the need to charge for a service the government previously described as a “digital public good,” Prime Minister Narendra Modi’s political opponents allege that the government is succumbing to pressure from the U.S.

On Tuesday, the National Payments Corporation of India announced that a 0.4% charge will be applied to merchants receiving payments via UPI above 2,000 rupees ($20.84). For transactions exceeding 75,000 rupees, the fee will be capped at 300 rupees per transaction, it added.

The umbrella organization managing India’s retail payments and settlement systems stated that person-to-person transactions on UPI will remain free, and even the fee charged to merchants is significantly lower than the 0.9% on debit card transactions and 1.5%-2.5% on credit cards.

Bouquets and brickbats

Fintech companies have welcomed the move to charge merchants a fee.

“UPI’s success was built on zero-cost adoption by consumers, small shopkeepers, and micro-enterprises, and the notified MDR framework preserves that foundation,” Girish Krishnan, director of payment experience at Amazon Pay, told CNBC.

Meta’s WhatsApp Pay head Kunal Shah called it a “great step forward.” Another popular payment app, Paytm, stated that the measure will generate additional revenue from merchant businesses.

In 2020, the Indian government reduced the merchant discount rate, the fee incurred by merchants for accepting payments via UPI, to zero to promote digital transactions in the country. Following this move, the transaction value on UPI increased tenfold to 213 trillion rupees over approximately six years ending January 2025.

“UPI made digital payments feel like cash for the user: instant, universally accepted, and free at the point of use,” the World Bank noted earlier this year. That “feeling” is set to change, bringing the government’s move under close scrutiny and drawing criticism.

Former CEO of Indian fintech company BharatPe, Ashneer Grover, has criticized the move to charge merchants a fee, adding that “any levy on UPI is just tax collection.”

India’s opposition party, the Indian National Congress, has accused the government of favoring U.S. firms, stating that the step will lead to money being “collected from the pockets of Indians to fill the coffers of American companies,” such as PhonePe, Google Pay, and Amazon. Some commentators have said the move will encourage people to return to cash transactions.

Level playing field

The UPI payment system processes an average of more than 1.1 million transactions every two minutes, according to NPCI data for September. In January, the Indian government stated that UPI has surpassed Visa in terms of daily transaction volumes, accounting for 85% of digital payments in India and 50% globally.

These figures caught the attention of the U.S. Trade Representative’s office, which in its report earlier this year flagged concerns that policies governing India’s electronic payment services “appear to favor Indian domestic suppliers over foreign suppliers, creating a non-level playing field.”

The USTR report also stated that American electronic payment service providers could not participate in the Indian ecosystem, including credit transactions on UPI and the domestic card payment network RuPay.

Experts told CNBC that while UPI will no longer be free for all, the new merchant fee was unlikely to benefit card companies such as Visa, Mastercard, and Amex.

However, the fee will help strengthen the unit economics for platforms like Walmart-owned PhonePe and Google Pay. The two payment apps together account for nearly 85% of UPI transactions by value and 81% by volume, according to a report by Indian brokerage Ambit Capital.

“A 0.4% rate severely undercuts credit cards at 1.5% to 2% and debit cards,” Neil Shah, vice president of research at Counterpoint Research, told CNBC, adding that it gives merchants “every economic incentive to favor UPI rails.”

UPI transactions above 2,000 rupees account for just 4% of merchant payment volumes but approximately 67% of transaction value, according to a Reuters report, which creates a substantial revenue pool for payment system providers like banks and fintech companies.

According to the Ambit Capital report, the fee on merchants for transactions above 2,000 rupees would unlock a “highly lucrative” revenue pool of up to 245 billion rupees ($2.5 billion) for the sector.

“India’s unique zero-MDR [merchant discount rate] UPI environment is in stark contrast to high-margin global card markets,” the report stated, adding that it pushed fintech companies to rely on “cross-selling financial products and value-added services” to generate revenue.

Need to know

India’s retail inflation reached 4.8% in August, rising for the 10th consecutive month

India’s headline inflation increased to 4.82% in August from 4.45% in July, adding pressure on the country’s central bank to raise key benchmark rates. Inflation has been on the rise for 10 consecutive months in the world’s fastest-growing major economy.

Indian Prime Minister Modi states border peace is crucial for India-China relations

Indian Prime Minister Narendra Modi said on Saturday that “peace and tranquility” in border areas is essential for developing bilateral relations with neighboring China. Relations between the two countries, which had sharply deteriorated following a deadly border skirmish in 2020, have been improving for over a year.

Coming up

Sept. 17: National Stock Exchange IPO opens.

Sept. 23: HSBC Flash PMI for September.

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Technologies

Trump Warns of Tariffs on EU Over Plan to Grant Canada Associate Membership

Trump warned he could impose tariffs or halt trade with the EU if it grants Canada associate membership, calling the idea hostile; the EU is exploring the novel status to deepen ties with Canada amid rising U.S.-Canada trade tensions.

President Donald Trump on Wednesday warned that he could levy tariffs on the European Union or cease trade altogether if the bloc moves forward with its plan to make Canada its first-ever “associate member.” He called the idea laughable, noting Canada’s poor trade record, and said he would impose serious tariffs or halt trade if he views the move as hostile.

Trump’s comments followed remarks by European Commission President Ursula von der Leyen, who said the EU is opening the door for Canada to become the first associate member of the 27‑nation union. Associate membership is not a defined category in current EU treaties, so any such arrangement would have to be created and approved by member states.

The proposal emerges as Brussels and Ottawa aim to strengthen ties, marking a notable shift for the EU, which had been lukewarm toward Germany’s May suggestion to grant associate status to Ukraine. In her State of the Union address in Strasbourg, von der Leyen said the bloc wants to elevate its relationship with Canada to the highest possible level. Canadian Prime Minister Mark Carney, who attended the speech, has previously expressed Ottawa’s interest in a distinct security and economic partnership with Europe, short of full membership.

Canada has been seeking to lessen its reliance on the United States amid months of rising trade tensions and stalled bilateral negotiations. Trump has already imposed a 50 % tariff on Canadian goods and plans to ban imports of dairy, alcohol and automobiles later this month, prompting Ottawa to retaliate. Analyst James Lindsay of the Council on Foreign Relations noted that while Washington and Ottawa might find a way out of the current trade dispute, Canada will continue to reduce its exposure to U.S. economic pressure.

Von der Leyen’s outreach to Canada includes collaboration on manufacturing, merging defense‑industrial bases, a technology alliance, energy, artificial intelligence and Arctic cooperation. Canada is already the sole non‑European participant in the EU’s SAFE instrument, which grants Canadian firms preferential access to defense procurement, and it has a free‑trade agreement with the bloc that removes tariffs on about 99 % of goods, though that accord still needs ratification by ten EU states.

Any new U.S. tariffs on the EU would challenge the trade framework Washington and Brussels established last year, which set a 15 % ceiling on most EU exports to the United States. Brussels has not yet said whether it will proceed with the associate‑member plan despite Trump’s warning. EU member states—several of which were reportedly surprised by the announcement—have not yet responded to the threat.

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Technologies

Oil losses deepen as Saudi Arabia reportedly arranges ship-to-ship crude transfers after pipeline strike

Oil prices extended their decline as concerns over supply disruptions eased following attacks on Saudi Arabia’s East-West pipeline. The kingdom is offering additional crude to Asian refiners through ship-to-ship transfers near Oman’s Sohar port.

Oil prices continued falling on Thursday as worries about supply disruptions eased after attacks on Saudi Arabia’s critical East-West pipeline.

Brent futures, the global benchmark, traded slightly lower at $105.81 a barrel, while U.S. crude slipped 0.22% to $102.14.

Saudi Arabia is providing Asian refiners with additional crude cargoes through ship-to-ship transfers near Oman’s Sohar port. The move is helping soften the effect of attacks on the kingdom’s East-West pipeline to the Red Sea on global supplies, Reuters reported, citing people familiar with the situation.

U.S. Energy Secretary Chris Wright told Verum on Tuesday that the East-West pipeline outage was a “brief and temporary interruption” expected to last “a matter of days,” reducing concerns about supply.

Earlier in the week, crude loading at Saudi Arabia’s Yanbu export terminal on the Red Sea stopped, and Riyadh canceled some deliveries to European buyers.

Since Iran began blocking the Strait of Hormuz after U.S. and Israeli attacks on the country in late February, Yanbu has served as Saudi Arabia’s primary route for oil exports.

Peter Massabni, head of business development at XS.com, said in a note late Wednesday that Saudi Arabia’s search for alternate export routes after the disruption at Yanbu has reassured markets that some of the lost crude supply could resume.

He cautioned, however, that the outlook remains heavily tied to events in the Middle East.

Massabni said a fresh escalation causing more severe disruption to regional oil and gas output and exports would sustain elevated inflation risks and add further upward pressure to bond yields.

“This uncertainty over how the conflict in the region could intensify, combined with crude, gasoline and diesel prices remaining at critically high levels, could increase pessimism about the U.S. Federal Reserve’s monetary policy direction,” he wrote.

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