The Best Resin 3D Printers
Verified by
Ryan V. Editor-in-Chief
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The HeyGears Reflex RS wins because it treats resin printing like a finished consumer product rather than a hobby project. Reviewers who have handled every machine in this class kept reaching for the same comparison: FauxHammer calls it the Bambu of resin printing, meaning the Blueprint slicer pre-dials exposure and generates supports so well that beginners get flawless results without touching a setting. That polish is not just a first-impression trick. It holds up under load.
Uncle Jessy pushed a Reflex RS Turbo through a 27-hour Daredevil statue and a 450 percent scaled Vecna model and reported zero print failures and zero bed-adhesion problems. He credits the dynamic force sensors, which adjust lift speed in real time, and the gravity-fed auto resin refill that keeps the vat topped up on long jobs. RisingApe ran the same detailed miniature across his top 10-inch printers and gave the Reflex RS the edge for reliability and clarity.
The finishing experience seals it. Greedy 3D found that the supports the Blueprint slicer generates fall away with just a little hot water, which turns the usual tedious cleanup into a quick step. For a serious hobbyist who wants crisp miniatures or precise functional parts and values consistency over tinkering, nothing else in the mainstream premium tier matches how little friction the Reflex RS puts between you and a good print.
What It Won't Do
The Reflex RS is a locked ecosystem, and that is the price of its polish. Greedy 3D and RisingApe both point out that the slicer will not let you enter custom exposure times, so running cheaper third-party resins turns into a guessing game and you are effectively steered toward HeyGears' own pricier bottles. The completely flat build plate is the other real gripe: Uncle Jessy and RisingApe both note that wet resin pools on top of it and drips everywhere during removal. It also lacks the onboard camera that the cheaper Saturn includes.
The Elegoo Saturn 4 Ultra 16K delivers most of what makes the Reflex RS great for a few hundred dollars less, and it does it with an open ecosystem. RelentlesStorm calls it his go-to printer and had it unboxed and printing in under 15 minutes. The headline hardware is genuinely strong: a true 16K screen at 14-micron detail actually out-resolves the Reflex RS on paper, and reviewers agree the printed detail is sharp enough to be indistinguishable from anything else at this tier.
The built-in heated vat is the feature that earns its keep. RelentlesStorm and FauxHammer both credit it with keeping resin at the right viscosity and all but eliminating the temperature-related failures that plague cold workshops. FauxHammer likes the mechanical tilting vat too, which peels each layer quickly and reliably without a fussy pump to clean.
What pushes it over the line as our value pick is freedom. It runs ChituBox and Lychee with any resin you like, so you can buy cheap bulk resin and tune your own exposure settings. An onboard AI camera lets you watch prints remotely, something the more expensive Reflex RS does not offer. For a generalist who wants to print miniatures one day and quarter-scale models the next, the Saturn gives up very little to machines costing hundreds more.
What It Won't Do
The Saturn 4 Ultra's weak spot is maintenance, and it centers on two parts. FauxHammer and RisingApe both single out the stepped two-tier build plate that traps resin in its steps and makes cleanup annoying, and RisingApe disliked it enough that he sold his unit. RelentlesStorm adds that swapping the release film on the stock vat means fighting dozens of easily stripped screws, a job that can eat 30 minutes, which is why FauxHammer recommends buying a third-party vat to make it bearable.
Who Should Buy Which
HeyGears Reflex RS
The plug-and-play resin printer that runs like an appliance.
- Hobbyists who want flawless results with zero tuning
- Miniature and tabletop painters who prize crisp, consistent detail
- Buyers who run long, unattended prints and value reliability
- People happy to stay inside the HeyGears resin ecosystem
- Anyone who would rather print than troubleshoot
Elegoo Saturn 4 Ultra 16K
16K detail and a heated vat at a mid-range price.
- Generalists who print everything from minis to quarter-scale models
- Tinkerers who want to dial in their own exposure settings
- Budget-minded makers who buy cheap third-party resin in bulk
- Printers in cold rooms who need a built-in heated vat
- Anyone who wants remote print monitoring without paying flagship prices