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The Best 3D Printer Deals This Week*
*Deals are selected by our commerce team
Barely more than a decade ago, 3D printers were hulking, expensive machines reserved for factory floors and deep-pocketed corporations, all but unknown outside the small circles of professionals who built and used them. But thanks largely to the RepRap open-source 3D printing movement, these amazing devices have become affordable, viable tools for designers, engineers, hobbyists, schools, and consumers alike.Today’s 3D printers come in styles optimized for different applications and kinds of printing. Models geared to professionals, like the Ultimaker S5, tend to have a closed frame, with a transparent door and often sides as well. Our favorite midrange 3D printer, the Original Prusa i3 MK3S+, and many budget models have open frames. You also tend to get a larger build area for your money with an open-frame model. While higher-end models such as the Ultimaker S5 can cost $6,000 or more, entry-level models can be found for $200 or less. We’ve even seen an able model geared to kids. If you’re in the market for a 3D printer, it’s important to know how they differ so you can choose the right model. Read on for mini-reviews of the top models we’ve tested for a host of uses and users. After that, we go into more detail on understanding 3D printer specs and tech. Preparing to take the plunge? Read on.
Deeper Dive: Our Top Tested Picks
Original Prusa i3 MK3S+
Best Overall 3D Printer for Serious Hobbyists, Makers
Why We Picked ItAs the flagship of Prusa Research’s 3D printer line, the Original Prusa i3 MK3S+ is the latest iteration of a machine that has undergone a decade of advances and tweaks. The result is a polished open-frame 3D printer devoid of obvious flaws, supported by an extensive network of community and help features. While user manuals for many 3D printers are rudimentary, the i3 MK3S+ includes a beautiful, professionally printed guide that covers both the preassembled version (which we reviewed) and the kit. In our testing, the printer’s operation proved smooth, with no misprints, and our test prints were consistently of above-average quality. The i3 MK3S+ supports a variety of filament types. (A 1-kilo spool is included.)Who It’s ForThe preassembled version of the i3 MK3S+ is good for anyone from a rank beginner to a 3D printing veteran. It’s also a great addition to a classroom or community center. You can save a bit of money by opting for the kit version, which will likely take at least an afternoon to assemble and may be best left to experienced users and tinkerers.
PROS
Consistently high-quality prints
No misprints in our testing
Easy-to-use, yet powerful, software
Supports multiple filament types
Includes a 1-kilogram PLA spool
Professionally printed user guide and great support resources
CONS
Build volume a bit small for the price
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
ABS, PLA, Composite, PETG, Nylon, ASA
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
9.8 by 8.3 by 8.3 inches (HWD)
Top Print Resolution
50 microns
LCD Screen
Primary Interface(s)
SD Card, USB 2.0
Built-In 3D Scanner?
Dimensions (HWD)
15 by 19.7 by 22 inches
Weight
17 lbs
Warranty (Parts/Labor)
2 year(s)
Learn More
Original Prusa i3 MK3S+ Review
Original Prusa Mini
Best Overall Budget 3D Printer
Why We Picked ItThe Original Prusa Mini is a compact, open-frame 3D printer that consistently produced high-quality prints in our testing. The Mini has a somewhat smaller build area than the Original Prusa i3 MK3S+, requires some assembly, and needs to be calibrated. But it’s much cheaper than its larger sibling. The Mini includes a beautifully produced user guide and access to Prusa Labs’ prodigious help resources and forums. You can use a large range of filament types with it, too. It comes with the company’s PrusaSlicer software, an alternative to the well-known Cura open-source 3D-printing program.Who It’s ForThe Prusa Mini is a good choice for both beginning and intermediate users. It’s suitable for use in educational or public venues, as well to teach or demonstrate 3D printing. (Anyone seeking a similar printer with a larger build area should consider the Original Prusa i3 MK3S+.) The Mini comes only in kit form, and construction—in particular, getting the nuts and bolts on two disparate parts to line up—can be a little tricky, but it shouldn’t take more than a couple of hours to assemble. Though not plug and play—the Monoprice Mini Delta V2 3D Printer comes closer to that description—most of it is preassembled, so it’s among the simplest kits we’ve encountered, and well worth the patience required for assembly.
PROS
Top-notch object quality
Supports a variety of filament types
Useful, professionally printed user guide
Great support resources
Versatile, user-friendly software
CONS
First-layer calibration can be tricky
Only includes starter packets of filament
Requires monitoring if young children or pets are around
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
PLA, ABS, PETG, ASA, Flex
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
7 by 7 by 7 inches (HWD)
Top Print Resolution
50 microns
LCD Screen
Primary Interface(s)
USB Thumb Drive
Built-In 3D Scanner?
Dimensions (HWD)
14.6 by 13 by 15 inches (HWD)
Weight
22 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
Original Prusa Mini Review
Anycubic Kobra 2
Best Budget 3D Printer for First-Timers
Why We Picked ItAmong the things we look for in an entry-level 3D printer are a low price, ease of setup and use, largely problem-free operation, and solid print quality. The Anycubic Kobra 2 ticks off all these boxes, plus it’s one of the fastest 3D printers we’ve tested. It lists at just $279 and is easy to use, too, with a unique extruder made to print as fast as possible. For software, it works with the popular open-source Cura program we’ve seen with numerous other 3D printers, but it also comes with the Prusa Slicer app, with tons of editing options for new and advanced users..Who It’s ForThis Anycubic printer is great for newbies thanks to its bargain price, easy setup, and fast operation. Although its output in our tests was nearly misprint-free, print quality was unspectacular, with detailing that makes it a less-than-optimal choice for intermediate or expert users. Still, it’s a fine, low-risk first platform for those getting their feet wet in 3D printing.
PROS
Affordable
Prints fast and accurately
Easy to assemble
CONS
Very noisy fans
Leveling software is inconsistent
Can get worryingly hot
SPECS
Name
Value
3D-Printing Technology
Fused Deposition Modeling (FDM)
Materials Supported
PLA, ABS, TPU, PETG
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
9.8 by 8.7 by 8.7 inches
Top Print Resolution
100 microns
LCD Screen
Primary Interface(s)
microSD card, USB Type-C
Built-In 3D Scanner?
Dimensions (HWD)
19.1 by 17.3 by 17.1 inches
Weight
18.5 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
Anycubic Kobra 2 Review
Creality Ender-3 S1 Pro
Best Budget 3D Printer for DIY-ers
Why We Picked ItThe Creality Ender-3 S1 Pro provides good value in an open-frame 3D printer, offering a large print area for its price. Although the S1 Pro comes in kit form, it’s largely preassembled, so it should be easy enough for even a non-techie to put together, and it produced quality prints in our testing.For software, you can use either Cura or the company’s own Creality Slicer. The Ender-3 S1 Pro works with a variety of filament types, including PLA, ABS, PETG, PA, wood composite, and TPU. Its print-bed leveling process, which combines manual and automatic routines, proved slightly cumbersome, but it was easier than on other Creality printers we have reviewed. Setup instructions could be better, and the diagrams are cramped, but fortunately some third-party sites offer useful videos and other getting-acquainted help.Who It’s ForThe Ender-3 S1 Pro is aimed at 3D printing newcomers with a DIY mindset, as well as tinkerers on a budget. If you’re looking for a plug-and-play 3D printer to get up and running as quickly as possible, you should look elsewhere, as print-bed leveling can be a challenge. That said, you do learn a lot about how 3D printers work by assembling your own, even with a relatively simple kit like this one.
PROS
Easy assembly
Supports many filament types
Generated nicely detailed test prints
CONS
Auto-leveling program could be more accurate, may require slight adjustments
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
PLA, ABS, Wood, TPU, PA, PETG
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
10.7 by 8.7 by 8.7 inches
Top Print Resolution
400 microns
LCD Screen
Primary Interface(s)
SD Card, Wi-Fi, Ethernet
Built-In 3D Scanner?
Dimensions (HWD)
24.6 by 19.2 by 17.9 inches
Weight
18.9 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
Creality Ender-3 S1 Pro Review
AnkerMake M5C 3D Printer
Best Budget 3D Printer for Fast Printing
Why We Picked ItThe AnkerMake M5C open-frame 3D printer is easy to assemble and to use. It has a generous print area for its price, and the prints we produced were of high quality, even with the default settings in the slicer software. Having the ability to control the printer from a mobile device is a nice touch. We also like the availability of the fast 500mm-per-second mode. The M5C supports printing with a wide variety of filaments including PLA, PLA+, PETG, ABS, TPU, carbon fiber, and wood composite. AnkerMake provides its own software for print preparation, but according to the company you can alternatively use UltiMaker Cura or PrusaSlicer.Who It’s ForThe M5C’s included tool kit adds even more value for people just starting a 3D printing hobby, with Allen wrenches, a filament cutter, and an extra extruder nozzle. Overall, the $400 AnkerMake M5C is an excellent choice for both beginners and 3D-printing veterans.
PROS
Great quality prints
Fast standard print speed
Print bed offers large print volume and easy print removal
Quick assembly
Easy-to-use slicer software
CONS
Requires Wi-Fi to connect to a PC
No real-time video monitoring or time-lapse capability
No on-device screen or control panel
Needs mobile app to load and unload filament
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
ABS, Composite, PLA
Number of Print Colors
1
Number of Extruders
1
Frame Design
Closed
Maximum Build Area (HWD)
9.3 by 9.2 by 9.8 inches (HWD)
Top Print Resolution
50 microns
LCD Screen
Primary Interface(s)
Wi-Fi, Bluetooth, USB Type-C
Built-In 3D Scanner?
Dimensions (HWD)
18.9 by 18.9 by 14.7 inches
Weight
24.2 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
AnkerMake M5C 3D Printer Review
MakerBot Replicator+
Best 3D Printer for Product Designers/Engineers
Why We Picked ItThe MakerBot Replicator+ produced prints of good to excellent quality in our testing. It has a wide range of connectivity choices: You can print from a computer over USB, Ethernet, or Wi-Fi, as well as over Wi-Fi from a phone or tablet with the MakerBot Mobile app installed. You can also print files from a USB thumb drive. MakerBot provides its own software, which can be tailored to a user’s experience level. Although the Replicator+ is an open-frame printer, the extruder nozzle is placed in back of the extruder assembly and is hard to reach, minimizing the risk of a user being accidentally burned by touching the hot nozzle.Who It’s ForThe Replicator+ is a good fit for product designers, architects, and engineers, as well as small businesses, schools, and community centers (not to mention individuals with money to spare who are looking for a high-quality 3D printer). MakerBot’s latest releases, the Method and Method X, have larger build areas and can produce prints to meet exacting engineering standards, but they are much pricier. The Replicator+ is a more affordable general-purpose model that should appeal to a wider audience.
PROS
Easy to use.
Very good print quality.
User-friendly yet powerful software.
Prints via USB, Ethernet, and Wi-Fi, and from a USB thumb drive.
Safe design for an open-frame printer.
Relatively quiet.
CONS
Printer setup through MakerBot Mobile app can be tricky.
Somewhat pricey filament.
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
ABS, PLA
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
6.5 by 11.6 by 7.6 inches (HWD)
Top Print Resolution
100 microns
LCD Screen
Primary Interface(s)
Ethernet, USB 2.0
Built-In 3D Scanner?
Dimensions (HWD)
16.2 by 20.8 by 17.4 inches
Weight
40.4 lbs
Warranty (Parts/Labor)
6 months
Learn More
MakerBot Replicator+ Review
Formlabs Form 3+
Best 3D Resin Printer for Rapid Prototyping and Parts Production
Why We Picked ItFormlabs’ flagship 3D printer, the Form 3+, is an industrial-quality desktop 3D printer capable of excellent print quality. It’s a stereolithography (SLA) printer, in which an ultraviolet laser shines into a vat of UV-curable liquid resin, tracing a cross section of the object to be printed on the resin, curing (solidifying) the resin layer by layer until it forms the printed model. The Complete Package that we tested provides a complete workflow solution, coming with washing and curing tanks.In our testing, the Form 3+ was far from problem-free, but the company’s customer service phone line was very responsive and helped to resolve problems as they crop up, which means the Form 3+ can be a powerful and reliable tool for your workbench. We would recommend, though, that you invest $229 in Formlabs’ optional Build Platform 2, because printed objects were often hard to pry loose from the build platform that comes with the printer.Who It’s ForThe Formlabs Form 3+ is a desktop SLA printer geared to product designers, engineers, and other professionals who need to print prototypes or parts.
PROS
Excellent print quality
Full SLA workflow solution
Nearly fume-free operation
USB, Wi-Fi, and Ethernet connectivity
Responsive phone customer service
CONS
Difficult to remove printed objects
Problematic resin-tray seating process
Steep learning curve for using supports
Requires lots of isopropyl alcohol
SPECS
Name
Value
3D-Printing Technology
Stereolithography
Materials Supported
Resin
Number of Print Colors
1
Number of Extruders
1
Frame Design
Closed
Maximum Build Area (HWD)
7.3 by 5.7 by 5.7 inches
Top Print Resolution
25 microns
LCD Screen
Primary Interface(s)
Wi-Fi
Built-In 3D Scanner?
Dimensions (HWD)
20.9 by 15.9 by 14.8 inches
Weight
38.5 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
Formlabs Form 3+ Review
Ultimaker S5
Best Pro-Level 3D Printer for Large Objects
Why We Picked ItThe Ultimaker S5 costs a pretty penny, but you get a lot for its premium price. A 3D printer geared to professionals, the S5 has a large build area for a closed-frame printer and packs dual extruders, letting you print with two filament colors or types. To that end, it comes with one spool of Tough PLA (polylactic acid) and one of polyvinyl alcohol (PVA), the latter a water-soluble filament commonly used as a temporary support material during printing for complex objects.Moreover, it is easy to set up and operate. The S5 can connect to a PC via Wi-Fi or Ethernet, and you can print objects from a USB thumb drive inserted into its forward-facing port. It uses the familiar Cura open-source printing software that Ultimaker now manages.Who It’s ForThe S5 is a good choice for product designers, engineers, architects, and others in need of a machine that can consistently churn out high-quality prototypes or models (and who have the money to spend on a printer to bring that ability in-house). Its dual extruders let you print in two colors or with multiple filament types. Its cubic print area is large for a closed-frame printer, and it churned out good-to-excellent-quality prints in our testing.
PROS
Dual extruders.
Large build volume.
Quiet.
Good print quality.
Easy setup and operation.
Touch screen.
CONS
Pricey.
Relatively slow printing at default resolution.
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
ABS, Nylon, PLA
Number of Print Colors
2
Number of Extruders
2
Frame Design
Open
Maximum Build Area (HWD)
13 by 11.8 by 9.5 inches (HWD)
Top Print Resolution
60 microns
LCD Screen
Primary Interface(s)
Ethernet
Built-In 3D Scanner?
Dimensions (HWD)
19.5 by 20.5 by 18 inches
Weight
45 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
Ultimaker S5 Review
Toybox 3D Printer
Best 3D Printer for Kids
Why We Picked ItThe Toybox 3D Printer is a device that kids can enjoy with minimal supervision and use to output some nifty toys. A parent will be needed for initial setup—which involves setting up a free account, downloading an app, and syncing your device with the printer—and there should always be an adult around during use by younger children. You can print from a mobile device or through a browser, selecting printable objects from Toybox’s generous selection or designing your own. Printing proved smooth, with no misprints. Filament-wise, it’s PLA only, which is the best choice for beginners.Who It’s ForThe Toybox 3D Printer is designed for use by children and young people—Toybox Labs suggests a minimum age of 5, as well as adult supervision. The printer should be fun for people of any age—printing with it is a good activity to bring parents and children together. You can import and print 3D files from outside its ecosystem, but the process can be tricky. That, combined with its minuscule build area and the fact that its filament is limited to PLA, make the Toybox a specialty printer unsuitable for general use, but it’s a great choice for its young target audience.
PROS
Reliable, misprint-free printing
Easy setup
One-touch operation
Well-composed help resources
Access to more than 2,000 printable toys and projects
Lets you create your own printable designs
CONS
Tiny build area
Not ideal for importing 3D files created elsewhere
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
PLA
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
3.5 by 3.1 by 2.8 inches
Top Print Resolution
200 microns
LCD Screen
Primary Interface(s)
Wi-Fi
Built-In 3D Scanner?
Dimensions (HWD)
9.1 by 7.4 by 7.4 inches
Weight
6.6 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
Toybox 3D Printer Review
LulzBot Mini 2
Best Open-Frame 3D Printer for Hobbyists and Schools
Why We Picked ItEasy to set up and operate, the LulzBot Mini 2 is an open-frame 3D printer capable of printing with a variety of filament types. The Mini 2 supports direct USB connection with a computer, and adds SD-card connectivity. It uses “thick” filament (2.85mm, often rounded to 3mm in descriptions) available on the LulzBot site and elsewhere. Easy to set up and use, the Mini 2 employs the popular and effective open-source Cura printing software. Its overall print quality is solid if not exceptional.Who It’s ForThe LulzBot Mini 2 is a good choice for individuals, schools, and community centers thanks to its easy setup and operation. Hobbyists and tinkerers will like its ability to print with a wide variety of filament types. Its build volume is on the small side for an open-frame printer, and its print quality is only average, so professionals such as product designers, architects, and engineers may want to look elsewhere to produce larger and/or more exacting models.
PROS
Easy to set up and use.
Powerful software.
Quiet operation.
Supports a variety of filament types.
LCD with SD-card slot.
Self-leveling print bed.
Easy to remove finished objects from print bed.
Works with Windows, macOS X, and Linux.
CONS
Print quality inconsistent at times.
No bundled filament.
Open frame increases risk of burns from a hot extruder.
Relatively sparse connectivity options.
SPECS
Name
Value
3D-Printing Technology
Fused Filament Fabrication (FFF)
Materials Supported
ABS, HIPS, Nylon, PLA
Number of Print Colors
1
Number of Extruders
1
Frame Design
Open
Maximum Build Area (HWD)
7.1 by 6.3 by 6.3 inches (HWD)
Top Print Resolution
50 microns
LCD Screen
Primary Interface(s)
USB 2.0
Built-In 3D Scanner?
Dimensions (HWD)
24 by 18 by 13 inches
Weight
19.8 lbs
Warranty (Parts/Labor)
1 year(s)
Learn More
LulzBot Mini 2 Review
Buying Guide: The Best 3D Printers for 2024
When shopping for a 3D printer, one question comes before all others: What do you intend to print on it? Actually, not only should you ponder what you want to print, but a more fundamental question: Why do you want to print in 3D? A lot of the answer depends on who you are. Are you a consumer interested in making toys or household items? A trendsetter who enjoys showing the latest gadgetry to your friends? An educator seeking to install a 3D printer in a classroom, library, or community center? A hobbyist or do-it-yourselfer who likes to experiment with new projects and technologies? A designer, engineer, or architect who needs to create prototypes or models of new products, parts, or structures? An artist who sees fabricating 3D objects as a kind of sculpture? Or a manufacturer looking to print plastic items in relatively short runs?
(Credit: Molly Flores)
The “best” 3D printer for you depends on how you plan to use it. Consumers and schools will want a device that’s easy to set up and use, doesn’t need much maintenance, and offers reasonably good print quality. Hobbyists and artists may want special features such as the ability to print objects with more than one color or multiple filament types. Designers and other professionals demand outstanding print quality. Shops involved in short-run manufacturing will like a large build area to print multiple objects at once. Individuals wanting to show off the wonders of 3D printing to friends or clients will want a handsome yet reliable machine.For this guide, we’ll focus on 3D printers targeted at consumers, hobbyists, schools, product designers, and other professionals such as engineers and architects, rather than high-end industrial printers. Most printers in this segment build 3D objects out of successive layers of molten plastic, a technique known as fused filament fabrication (FFF). It’s also called fused deposition modeling (FDM), although that term is trademarked by Stratasys Inc. A few 3D printers use stereolithography—the first 3D printing technique developed—in which ultraviolet (UV) lasers trace a pattern on photosensitive liquid resin, hardening the resin to form the object.What Size Objects Do You Want to Print?Make sure that a 3D printer’s build area is large enough for the kind of objects that you intend to print with it. The build area is the size, in three dimensions, of the largest object that a given printer can produce (at least in theory—it may be somewhat less if the build platform is not exactly level, for example). Typical 3D printers have build areas between 6 and 9 inches square, but they can range from a few inches to more than two feet on a side, and a few are actually square. In our reviews, we list printers’ build areas in inches in height, width, and depth (HWD).
(Credit: Molly Flores)
What Kind of Filament Should Your 3D Printer Use?As for the materials you’ll use to print with, most affordable 3D printers use the abovementioned FFF technique, in which plastic filament—available in spools—is melted and extruded, then solidifies to form the object. The two most common types of filament are acrylonitrile butadiene styrene (ABS) and polylactic acid (PLA). Each has slightly different properties. For example, ABS melts at a higher temperature than PLA and is more flexible, but emits fumes when melted that many users find unpleasant, and it requires a heated print bed. PLA prints look smooth, but they tend to be on the brittle side.
(Credit: Zlata Ivleva)
Other materials used in FFF printing include, but are not limited to, high-impact polystyrene (HIPS); composite filaments made of wood, bronze, and copper; UV-luminescent filaments; nylon; Tritan copolyester; polyvinyl alcohol (PVA); polyethylene terephthalate (PETT); polycarbonate; conductive PLA and ABS; plasticized copolyamide thermoplastic elastomer (PCTPE); and PC-ABS. Each material has a different melting point, so use of some exotic filaments is limited to printers designed for them or ones with software that lets you control the extruder temperature. So your printer needs to support a given kind of filament to use it.Filament comes in two diameters—1.85mm and 3mm—with most models using the smaller of the two. Filament is sold in spools, generally 1kg (2.2 pounds), and costs $20 to $50 per kilogram for ABS and PLA. Although many 3D printers will accept generic spools, some companies’ printers use proprietary spools or cartridges. These often contain an RFID chip that allows a printer to identify the filament type and properties but restricts the material to the manufacturer’s compatible printers.Make sure the filament is the right diameter for your printer, and that the spool is the right size. In many cases, you can buy or make (even 3D print) a spool holder that will fit various spool sizes. (For much more on 3D printing filaments, check out our filament explainer).
(Credit: Molly Flores)
Stereolithography printers can print at high resolutions and skip filament in favor of photosensitive (UV-curable) liquid resin, which is sold in bottles. Only a limited color palette is available, usually clear, white, gray, black, or gold. Working with liquid resin and isopropyl alcohol, which is used in the finishing process for stereolithography prints, can be messy and odiferous, but the print quality is often spectacular.How High a Resolution Do You Need in a 3D Printer?A 3D printer extrudes successive thin layers of molten plastic in accordance with instructions coded in the file for the object being printed. For 3D printing, resolution equals layer height. Resolution is measured in microns (0.001mm); the lower the number, the higher the resolution. That’s because the thinner each layer is, the more layers are needed to print any given object, and the finer the detail that can be captured. Note, however, that increasing resolution is sort of like increasing a digital camera’s megapixel count—although higher resolution often helps, it doesn’t guarantee good print quality.
(Credit: Zlata Ivleva)
Nearly all 3D printers sold today can print at a resolution of 200 microns—which should produce decent-quality prints—or better. Many can print at 100 microns, which generally delivers attractive objects. A few can print at higher resolutions still, as fine as 20 microns, but you may have to go beyond the preset resolutions and into custom settings to enable them.
(Credit: Molly Flores)
Higher resolution comes at a price, as printers with resolutions higher than 100 microns tend to cost more. Another downside of increased resolution is that it can add to print times—halving the resolution will roughly double the time it takes to print a given object. But for professionals who require the highest quality, the extra time may be worth it.
(Credit: Molly Flores)
The field of 3D printing for consumers and hobbyists is still in its infancy. The technology has been evolving at a rapid rate, making these products ever more viable and affordable. We can’t wait to see what improvements the coming years bring.Can a 3D Printer Print in More Than One Color?A few 3D printers with multiple extruders can print objects in two or more colors. Most are dual-extruder models, with each extruder being fed a different color of filament. One caveat is that these printers can only print multicolored objects from files that have been designed for multicolor printing, with a separate file for each color, so the areas of different colors fit together like three-dimensional jigsaw puzzle pieces.Why Is a 3D Printer’s Build Platform Important?We’ve mentioned its size, but other aspects of the build platform (the surface on which you are printing) can prove critical in practice. A good platform will let an object adhere to it while printing, but should allow for easy removal when the printing is done. The most common configuration is a heated glass platform covered with blue painter’s tape or a similar surface. Objects stick to the tape reasonably well and are easy to remove when completed. Heating the platform can prevent the bottom corners of objects from curling upward, which is a common glitch, especially when printing with ABS.With some build platforms, you apply a glue stick to the surface to give the object something on which to adhere. This is workable, as long as the object can easily be removed after printing. (Sometimes, you must soak both platform and object in warm water for the object to come loose.)
(Credit: Molly Flores)
A few 3D printers use a sheet of perforated board with tiny holes that fill with hot plastic during printing. This design holds an object solidly in place during printing, but objects may not easily come loose afterward. Using a thumbtack or an awl to push the plugs of hardened plastic out of the perforations to free the object and/or clean the board is a time-consuming process, and can damage the board.If the build platform becomes tilted, it can impede printing, particularly of larger objects. Many 3D printers offer instructions on how to level the build platform or provide a calibration routine in which the extruder moves to different points on the platform, ensuring that they’re all at the same height. A growing number of 3D printers automatically level the build platform.Setting the extruder at the proper height above the build platform when starting a print job is also important for many printers. The process, known as Z-axis calibration, is usually performed manually by lowering the extruder until it’s so close to the build platform that a sheet of paper placed between them moves with slight resistance. A few printers automatically perform this calibration.
Recommended by Our Editors
Is an Open-Frame or a Closed-Frame 3D Printer Better?Closed-frame 3D printers have an enclosed structure with a door, walls, and lid or hood. Open-frame models provide easy visibility of print jobs in progress, and the easiest access to the print bed and extruder. (Sometimes, too easy.)A closed-frame model is safer, keeping kids and pets (not to mention nosy or klutzy adults) from accidentally touching the hot extruder. It’s also quieter, reducing fan noise, and can keep the burnt-plastic smell of ABS from your nose.
(Credit: Molly Flores)
On the flip side, as mentioned earlier, you tend to get a bigger build area for your money with an open-frame printer. So it comes down to the space you’ll be printing in, your tolerance for noise and smell, and how many cats you have.How Do You Connect to a 3D Printer?With most 3D printers, you initiate printing from a computer via a USB connection. Some printers have their own internal memory, which is an advantage because they can keep a print job in RAM and continue printing even if the USB cable is disconnected or the computer is shut down. (That’s important because some complex prints can take many hours, depending on the printer!)A few offer Wi-Fi or peer-to-peer wireless connectivity. A downside of wireless is that, because 3D printing files can sometimes be more than 10MB in size, it can take a while to transfer them. Another connection method that we’ve seen is Ethernet, for sharing a printer on a local network.Many printers have SD or microSD card slots from which you can load and print 3D object files using the printer’s control panel and display screen, while others have ports for USB flash drives. The advantage of printing directly from flash media is that you don’t need a computer. The downside is that it adds an extra step, that of transferring the files to your card. Typically, wireless, SD card, or thumb-drive connectivity is offered in addition to the basic USB cable, although a few models omit the latter.What Software Do You Need?Today’s 3D printers come with a suite of software—almost always Windows-compatible, and often for macOS and Linux as well—on a disk or as a download. Not long ago, 3D printing software consisted of multiple apps, including a printing program that controlled the motion of the extruder, a “healing” program that optimized the file to be printed, a slicer to prepare layers to be printed at the proper resolution, and the Python programming language.These components were derived from the RepRap open-source project, which spurred the development of low-cost 3D printers. Today, printer manufacturers have integrated these programs into seamless, user-friendly packages, many building on the Ultimaker Cura open-source platform. Some 3D printers also allow you to use separate component programs if you prefer.So, Which 3D Printer Should I Buy?Also summarized at the start of this guide by usage case, below are the best 3D printers that we’ve reviewed recently broken out by their specs. They cover a wide range in price, features, and printing methods, but they all represent one thing: quality in their respective environments. For more information on how 3D printing works, our subject primer is a good place to start. Also, be sure to check out our roundup of the best overall printers.
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