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Elegoo is one of the brands that has genuinely democratised resin printing. After the demanding Saturn 4 Ultra 16K, the manufacturer offers a more affordable version: the Elegoo Saturn 4 12K, introduced within the Saturn 4 family during 2024. The idea is simple: retain a large 12K screen and automatic levelling at around $319. On paper, it can make resin printing accessible without breaking the bank.
Resin printing is often a balance between detail and ease of use. With the Saturn 4 12K, Elegoo targets makers wanting fine detail and a bed large enough for several miniatures at once, without the cost of high-end models.
A 12K screen in a generous format
The Saturn 4’s core is a 10-inch 12K monochrome LCD, with 11520 x 5120 pixels and approximately 19 x 24 micron XY resolution. This should mean fine details, smooth surfaces and fewer visible layer steps. Its claimed 218.88 x 122.88 x 220 mm print volume is generous enough for a large part or several miniatures in one session.
Announced technical specifications
COB light source and Fresnel lens: a 405 nm COB LED and Fresnel collimating lens provide claimed 92% light uniformity and a beam below 5°, which determines exposure consistency across the bed.
Self-checking and automatic levelling: with one click, the Saturn 4 checks its components and performs automatic levelling through a mechanical sensor. Elegoo’s promise is essentially “unbox, power on, print”.
Intelligent mechanical sensor: beyond levelling, it detects residue to avoid damaging the LCD, and provides low-resin and levelling-failure alerts.
PFA release film and practical design: the claimed non-stick PFA film should help layers release; quick-release build plate, dual-pour vat, drip tray and flip-up cover are intended to simplify daily use.
Specification sheet
| Specification | Value |
|---|---|
| Technology | LCD (MSLA) |
| Screen | 10-inch 12K monochrome LCD |
| XY resolution | 19 x 24 microns (11520 x 5120) |
| Print volume | 218.88 x 122.88 x 220 mm |
| Maximum speed | 70 mm/h |
| Layer thickness | 0.01 to 0.2 mm |
| Z-axis accuracy | 0.02 mm |
| Light source | 405 nm COB + Fresnel lens |
| Levelling | Automatic (mechanical sensor) |
| Control screen | 3.5-inch resistive touchscreen |
| Connectivity | USB |
| Slicer | Voxeldance Tango, ChituBox, Autodesk Fusion |
| Net weight | 13.5 kg |
Price, options and software
The Saturn 4 12K is listed around $319 ($399 recommended), with promotions below $300. For a 10-inch 12K screen with automatic levelling, the position is aggressive. Elegoo also offers Mercury wash-and-cure and resin bundles. Unlike the Ultra version, this Saturn 4 uses a standard 70 mm/h speed without tilt release.
For preparing files, Elegoo claims compatibility with Voxeldance Tango, ChituBox and Autodesk Fusion. ChituBox is well known in the resin community, while Voxeldance Tango adds advanced slicing functions.
In conclusion, is this Elegoo Saturn 4 12K interesting?
On paper, the Saturn 4 12K ticks the right boxes for starting or expanding a resin workshop without a large budget: a large 12K screen, COB light source, auto levelling and everyday ergonomics, all around $319. It has real arguments for miniature painters, board-game fans and makers seeking affordable detail. Exposure consistency, vat durability and automation reliability still need confirming in use.
