Most 3D printers are relatively large. Even the Ender 2 Pro , the best 3D printer for people with limited space, measures 421 x 383 x 465mm (16.6 x 15 x 18.3 inches) and weighs 4.5kg (10 pounds). However, one maker is pushing the boundaries of what's possible, showing off a working 3D printer that outputs sharp prints
Elegoo Neptune 3 Max Review: Big. Really Big.
Tom's Hardware Verdict
The easy-to-use Neptune 3 Max offers a massive build volume for printing huge models – if you can find a place to put it.
Pros
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Easy assembly
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Simple Auto bed leveling
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Direct drive
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Dual gear extruder
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Quiet operation
Cons
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Huge footprint
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World's Smallest 3D Printer is 41mm Tall, Outputs Detailed Models

FlashForge Artemis Review: Cube Style Plug and Play
Tom's Hardware Verdict
FlashForge’s Artemis is a good cube style printer that ships fully assembled for a smooth introduction to 3D printing, but more powerful competitors cost a lot less.
Pros
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Direct Drive
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Steady build plate motion on the Z axis
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Fully assembled
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Choice of bed surface
Cons
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Manual bed leveling
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Small build volume
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Proprietary nozzles
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Doesn’t feed TPU well
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New Features Added to PrusaSlicer 2.6 Alpha Release

Prusa Research's PrusaSlicer 2.6 is fast approaching an Alpha release, and we're being teased with new features via the official Prusa Twitter account.
PrusaSlicer is software that takes 3D generated models and "slices" them into many layers for the best 3D printers to print. Version 2.6 of PrusaSlicer introduces new features such as organic supports, applying text to models and a means to cut models.
The Cut tool in PrusaSlicer just got much better!✂
DreamPlan allows you to design your floor plans for free
Ukrainian soldiers receive bionic arms
Sounds like science fiction? How Montreal researchers are 3D printing using sound waves

Printing a medical device directly into a patient's body sounds impossible, but a group of Montreal researchers say it could be feasible in the future thanks to a new technology they've developed called direct sound printing.
3D printing reaches new heights with two-story home - Reuters
HOUSTON, Jan 12 (Reuters) - A 3D printer is taking home building to a new level — literally.
The enormous printer weighing more than 12 tons is creating what is believed to be the first 3D-printed, two-story home in the United States.
The machine steadily hums away as it extrudes layers of concrete to build the 4,000-square-foot home in Houston.
Construction will take a total of 330 hours of printing, said architect Leslie Lok
Toybox Review: A Kid’s First Printer
Tom's Hardware Verdict
The Toybox is a fun “toy factory” that uses a simple 3d printer with its own library of G rated models and one button slicing to introduce kids to 3D printing.
Pros
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Direct drive
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Simple to use
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One button slicer
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Curated library of G rated prints
Cons
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Pricey
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Does not work without internet
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Unheated bed
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Untraceable 3D-printed 'ghost guns' on the rise in Canada

Police forces in at least seven cities across Canada have seen an increase in 3D-printed 'ghost guns.' These untraceable weapons can be made at home by anyone with a 3D printer, and design plans for them are easily found online.