



The Saturn 2 looks fantastic, with graceful curves that give rigidity to its bucket-style lid. That’s an absurd level of detail to have across a larger build volume like this.
all3dp.com![]()
Neptune 3 Pro is by far one of our favorite printers and one we can easily recommend as one of the best 3D printers for both beginner and veteran makers.
tomshardware.com![]()
The Mars 3’s specs are a little bit better than its main competitor, the Mono 4K, in almost every meaningful category, especially its build volume.
popsci.com![]()
We have tested countless resin 3D printers over the years, yet we were still surprised at the print quality on the Saturn 2. The Elegoo Saturn 2 is the best mid-sized resin 3D printer you can buy right now.
all3dp.com![]()
If you want high-detail prints with little effort and without breaking the bank, the Mars 3 should be on top of your list.
all3dp.com![]()
The Elegoo Saturn 2 produces stunning quality prints and is well worth the price. This is a very polished machine that produces prints of phenomenal quality.
tomshardware.com![]()
The ELEGOO Mars 3 is a very good printer that is perfect for someone looking to get into the resin world.
hackster.io![]()
Ultimately, the ELEGOO is a near-perfect initiation for anyone looking to try their hand at resin printing.
3dprintingindustry.com![]()
The ELEGOO is a stunning resin 3D printer, it represents an excellent entry point into ultra-high detail 3D printing.
makeuseof.com![]()
【Pre-owned】Neptune 4 Pro
ELEGOO Neptune 4 Pro FDM 3D Printer with Up to 500mm/s Printing Speed, Auto Bed Leveling, Dual-Gear Direct Extruder, 300℃ High-temp Nozzle, Intelligent Segmented Heatbed, 225x225x265mm³ /8.85x8.85x10.43 Inch Printing Size
【Pre-installed Klipper Firmware】The Neptune 4 Pro 3D printer is designed to be fast and efficient. It features a quiet Klipper motherboard and ARM 64-bit 1.5G main frequency quad-core processor for sufficient processing power, allowing it to print at a amazing speed of up to 500mm/s (recommended 250mm/s), and supports advanced functions like input shaping and pressure advance to achieve accurate and smooth models. The 8GB RAM can store many models and quick access when needed.
【Dual-Gear Direct Drive Extruder】The dual-gear direct drive extruder with a 5.2:1 reduction ratio for smooth and consistent extrusion, combined with the copper-titanium bi-metal throat pipe and unique air duct design, improve heat dissipation and reduce nozzle clogging.
【300°C High-temp Nozzle】With a high-temperature nozzle reaching 300°C, the printer can handle a wide range of filaments, including PLA, PETG, ABS, TPU, and high-temperature filaments like nylon. The extended hot end design ensures consistent heating and faster melting and extrusion, resulting in faster printing speed.
【Intelligent Segmented Heatbed】With 100W+150W power output, the slicing software automatically recognizes the size of the model during slicing and activates the peripheral heating zone if the model size exceeds the center heating zone (120mmx120mm). The two partitions can also be turned on and off manually for more precise temperature control. Additionally, the surface of the PEI magnetic platform is marked for guidance.
【Auto Bed Leveling + Auxiliary Leveling】With 121 (11x11) points auto bed leveling, you can achieve consistent and reliable prints every time without the need for manual bed leveling. Additionally, the auxiliary leveling by hand-twist knobs allows for further fine-tuning of the print bed's level for improved print quality.
【Efficient Heat Dissipation】ELEGOO Neptune 4 Pro also features 2 thickened double-sided 4015 ball bearing cooling fans and 4x4020 ball bearing blower fans behind the print head for omnidirectional rapid cooling the newly printed layers to prevent warping and improve overall print quality even at a fast printing speed.
【Pre-owned】Neptune 4
ELEGOO Neptune 4 FDM 3D Printer with Up to 500mm/s High-Speed, 121-Point Auto Bed Leveling, 300℃ Dual-Gear Direct Extruder, Printing Size of 225x225x265mm³ /8.85x8.85x10.43 Inches
【Pre-installed Klipper Firmware】With a quiet Klipper motherboard and ARM 64-bit 1.5G main frequency quad-core high-performance processor, ELEGOO Neptune 4 can achieve printing speed of up to 500mm/s (recommended 250mm/s), allowing you to produce your models faster than ever before, support input shaping and pressure advance function to improve the print quality of models. 8G RAM provides enough storage space for fast printing.
【Dual-Gear Direct Extruder】The new self-developed dual-gear direct drive extruder with a 5.2:1 reduction ratio ensures powerful extrusion and smoother filament feeding. Paired with copper-titanium all-metal throat pipe and unique air duct design to effectively improve the heat dissipation of the throat pipe and reduce nozzle blockage risk.
【300°C High-temp Nozzle】With a 300°C high-temp nozzle and an extended hot end, which means the filament can be fully melted and uniformly flow out even at high printing speed, this printer can handle a wide range of materials, including PLA, PETG, ABS, TPU, and high-temperature filaments such as nylon.
【Auto Bed Leveling】The 121 (11x11) points auto bed leveling ensures quick and accurate leveling of the build platform. For perfect first-layer printing, you can also use the hand-twist knobs under the build platform for auxiliary leveling. In addition, the PEI magnetic platform allows for the easy printed models removal with just a slight bend.
【Efficient & Instant Cooling】The 2 thickened double-sided 4015 model cooling fans with strong wind for more comprehensive and efficient heat dissipation, along with the 4x4020 ball bearing blower fans behind the print head to quickly cool down the newly deposited model, ensuring good print quality even at very fast printing speed.
【Removable Capacitive Touchscreen】The 4.3-inch removable capacitive touchscreen can be operated by hand-held or fixed on the base, and features a model preview function and pause printing function for added convenience.
The gantry's LED light strip with 30 beads and a hood, combined with an LED light on the nozzle for observing the model printing in a dark environment.
【Pre-owned】Neptune 3 Max
ELEGOO Neptune 3 Max FDM 3D Printer with Auto Bed Leveling, Dual-Gear Direct Extruder, Ultra-Quiet Printing, Dual Lead Screw Drive, Massive Printing Size 420x420x500mm³ /16.53x16.53x19.68 In³
【Dual-Gear Direct Extruder】The dual-gear direct drive extruder with gears made of SUS303 stainless steel features adjustable extrusion force and a 3:1 reduction ratio, which ensures smoother filament feeding and stable & accurate printing, significantly reducing nozzle clogging and gear jumping problems. Ideal for printing PLA, PETG, ABS, and flexible filaments such as TPU.
【Massive Print Volume】With the largest ever build volume of 420x420x500 mm /16.53x16.53x19.68 inches, ELEGOO Neptune 3 Max gives you generous printing space to let your creativity run wild, whether for printing larger models, or printing in batches.
【Auto Bed Leveling + Auxiliary Leveling】The non-contact high precision sensor automatically scan 63 points of the hotbed to compensate for any unevenness and inconsistencies of the printing platform. You can also use the hand-twist knobs under the build platform for auxiliary leveling to achieve a perfect first layer.
【Stable & Quiet Printing】The Z-axis is designed with dual lead screws and dual-motor drive for more stable and precise movement of the print head, and the double tie rod structure enhances the stability of the Z-axis gantry.
With an STM 32-bit silent motherboard, the X/Y/Z/E axes are all driven by high-precision stepper motors to effectively reduce the printing noise under 50 dB.
【PEI Magnetic Platform】PEI magnetic platform with a special coating and spring steel sheet for solid adhesion and anti-warping, so you can easily remove or eject the print models by slightly bending the print steel sheet. The 420W high-power hotbed can quickly heat up to 100°C.
【Removable Capacitive Touchscreen】The 4.3-inch removable magnetic capacitive touch screen can be operated by hand-held or fixed on the base, with a print model preview function to preview the model image during printing, and observe the printing progress, supporting multi-language freely switch.
There also comes with a drawer toolbox on the machine base to store tools used by the printer such as Allen wrench and nozzle accessories.
【Pre-owned】Neptune 3 Plus
ELEGOO 3D Printer, Neptune 3 Plus FDM 3D Printer with 49-Point Auto Bed Leveling, Dual-Gear Direct Extruder, Ultra-Quiet Printing, Removable Capacitive Screen, Larger Printing Size of 320x320x400 mm / 12.59x12.59x15.74 Inches
【Dual-Gear Direct Extruder】The new dual-gear direct extruder with a better grip on the filament and strong pushing force for smoother filament feeding and more stable & accurate printing, which greatly reduces the risk of nozzle blockage and under extrusion, and printing well with PLA, ABS, PETG and even flexible filaments like TPU.
【Larger Print Volume】The larger-than-average build volume of 320x320x400mm/12.59 x 12.59 x 15.74 inches gives you enough space to freely arrange your prints, print larger models, or carry out batch printing with high efficiency.
【Auto Bed Leveling】ELEGOO Neptune 3 Plus adopts a non-contact high precision sensor to collect the deviation data at 49 (7x7) points of the hotbed, and then automatically adjust the Z-axis height to compensate for any irregularities and unevenness of the printing bed. There are also hand-twisting knobs underneath the hotbed to fine-turn the print bed with a single twist, thus ensuring a perfect first-layer print.
【PEI Magnetic Platform】PEI magnetic platform with special coating and spring steel sheet for good adhesion and anti-warping, just gently bend the print steel plate to release or pop off the prints. The 420W high-power hotbed can quickly heat up to 100°C.
【Z-axis Dual Lead Screw】The dual synchronized lead screws and dual-motor drive make the Z-axis movement more stable and smooth, avoid printing deviation driven by a single Z-axis lead screw motor, and improve printing accuracy and stability. With an STM 32-bit motherboard, the X/Y/Z/E axes are all driven by silent drivers to effectively reduce the printing noise to below 50 dB.
【Removable Capacitive Touchscreen】The 4.3-inch removable capacitive touch screen can be operated by hand-held or fixed on the base. Built-in print model preview function to preview the model image before printing, and observe the printing progress by previewing the real-time comparison image of the printed model.
【Pre-owned】Neptune 3 Pro
【Overview of Neptune 3 Pro】225*225*280mm market mainstream printing size can meet the needs of most users.
With an STM32 motherboard, all axes of ELEGOO Neptune 3 Pro are driven by silent stepper motors for quieter and more precise movement during printing, which reduces the noise as low as 47-48dB.
The easy-to-setup printer comes with the main components pre-assembled, as well as a complete tool kit for quick installation.
【Dual-Gear Direct Extruder】The new dual-gear direct drive extruder is made of SUS303 high-quality stainless steel with a 3:1 reduction ratio and stronger extrusion force for smoother filament feeding and more stable & accurate printing, which greatly reduces nozzle clogging and under-extrusion issues, printing effect is better than Bowden extruder. Compatible with multiple filaments such as PLA, TPU, PETG, and ABS.
【Nozzle Kit for Better Printing Effect】The nozzle kit contains a TC4 titanium alloy throat pipe, an aluminum alloy flat heat sink structure, and a brass nozzle.
The widened aluminum heat sink paired with the front close-fitting efficient cooling fan for a better heat dissipation effect and lower the temperature of the throat pipe, thereby reducing the possibility of nozzle clogging.
Fans on both sides of the print head ensure omnidirectional and rapid cooling of printed layers to improve the model details and overhang printing effect.
【Smarter Printing Experience】Auto mesh bed leveling adopts a non-contact high precision sensor to automatically scan 36 (6x6) points of the hotbed and collect data in real-time, and then adjust the Z-axis height to compensate for any irregularities and unevenness of the printing platform. (Only applicable to metal printing platforms)
Intelligent fan control: after printing, all fans will automatically stop working below 50℃ to extend fan lifespan, reduce noise, and save power.
Smart resume printing: the printer will auto-pause when the filament runs out or breaks, and you can resume printing after a power outage.
【More Stable Printing】The Z-axis with dual synchronized lead screws and dual-motor drive for more stable movement of the print head and higher printing accuracy, avoiding the printing deviation driven by a single Z-axis lead screw motor.
The 4-wheel V-guide rail pulley is made of POM with more stable movement, low noise, wear resistance, and longer service life.
【Ease of Use】PEI magnetic platform with a special coating and spring steel sheet for good adhesion and anti-warping, so that prints can be easily released or popped off by bending the print steel sheet.
The 4.3-inch removable capacitive touch screen can be operated by hand-held or fixed on the base. Built-in print model preview function to preview the model image before printing and observe the printing progress.
The 250W high-power hotbed can quickly heat up to 100ºC and start printing.
The integrated LED light bar on the gantry can be operated by pressing the buttons on the screen to conveniently observe the model printing in a poor light environment.
【Pre-owned】Neptune X
Product Description
1. Print size: 220*220*300, the mainstream print size in the market, suitable for most users' needs;
2. V-wheel drive: The V-wheel is made of imported POM material, which has the advantages of ultra-quiet, high precision, and wears resistance. At the same time, the machine transmission mechanism is equipped with an eccentric isolation column, which can make up for the reduction of printing accuracy caused by long-term printing and wear of the V wheel;
3. Brand-name power supply: to ensure printing safety and low failure;
4. Intelligent fan control: After the machine has finished cooling down after printing, all fans will be turned off. Extend the life of the fan, solve the noise problem, and save power;
5. High-temperature hotbed: 250W hotbed, which can be quickly heated to 100°C to meet the temperature requirements of different materials for the hotbed;
6. Super large hand-tightened nut is ergonomic, easy, and convenient to level;
7. Silent printing: The machine adopts silent driving, printing without noise;
8. Support multi-language free switching: the machine supports Chinese simplified, Chinese traditional, English, French, Japanese, German, Russian, Italian and Spanish, and you can switch at will;
9. Frame type fuselage design: unique profile design, the machine is a frame structure, sheet metal casing, the machine is more stable;
10. Belt adjustment device: The X-axis adopts a belt adjustment device, which can easily adjust the belt tightness and ensure the printing quality;
11. Built-in power supply design: the power supply is installed inside the chassis, making it safer to use;
12. Material break detection and material shortage alarm: to avoid the machine running empty when the consumables are used up, resulting in material waste and model scrap;
13. Resume after power failure: avoid model scrapping due to power failure;
14. Resume printing at breakpoints: due to misoperation, nozzle misalignment, etc., can be used to resume printing on the interrupted model to continue printing;
15. Full-color 3.5-inch touch screen, sensitive and beautiful in operation;
16. Self-adhesive printing platform; the model can be easily taken without a shovel.
17.U disk printing, more convenient to use
18. High-end chip: STM32 high-end chip, more stable printing, more expansion possibilities
Scalable functions:
1. Automatic leveling
2. Laser engraving
3. Two-in-one-out two-color printing
Machine parameters
Product model: NEPTUNE X
Product name: FDM 3D printer
Rated power: 300W (heating bed power 250W, motherboard + fan, etc. about 50W)
Rated voltage: 115/230V 50/60Hz
Forming size: 220*220*300mm
Platform size: 235*235mm
Equipment dimensions: 625*472*507mm
Maximum nozzle temperature: 260℃
Maximum temperature of hotbed: 100℃
Net weight: 10.5KG
【Pre-owned】Neptune 2S
● [Accurate and Stable Extrusion] The double-gear metal extruder is equipped with a spring elasticity adjustment design and a special titanium alloy throat pipe, which reduces the risk of nozzle blockage, makes the output more uniform, and the printing is more stable.
● [PEI Spring Steel Magnetic Platform] Neptune2s adopts a new platform of a special coating combined with spring steel, easy model removal by bending or popping. It is not easy to deform at high temperature, detachable, and has a longer service life. Widely compatible with PLA/ABS/PETG/TPU filaments.
● [Fast and Silent Printing] Neptune2s 3D printer equipped with a 32-bit motherboard and SMT32F chip, with a memory up to 1M FLASH makes the system run smoother and faster; The Silent stepper driver ensures that the motherboard has silent printing and accurate voltage output to ensure silent printing.
● [Resume print and Material breakage detection] Equipped with a material break detection switch, NEPTUNE2s can always detect the machine power failure and pause printing, and the automatic recovery function will continue printing when the power is disconnected.
● [More functions]
A. Use oversized metal hand-tightened nuts and mold springs, which are ergonomic and convenient to use;
B. Silent drive to ensure accurate and silent printing;
C. Intelligent fan system, which automatically shuts down after cooling, prolongs the life of the machine .
D. 3.5-inch touch screen, easy to operate.
Precise Extrusion Design
The double-gear metal extruder and the elasticity adjustment mechanism of the extrusion spring reduce nozzle clogging ,avoid the problem of tooth skipping of ordinary extruders. Compared with ordinary 3D printers, the output is more uniform, the printing is more stable, and the printing accuracy is higher. The use of special titanium alloy throat pipes greatly improves the heat dissipation effect, and the user experience is better.
PEI Spring Steel Magnetic Platform
Neptune2s adopts a new platform of a special coating combined with spring steel, easy model removal by bending or popping. It is not easy to deform at high temperature, detachable, and has a longer service life.Widely compatible with PLA/ABS/PETG/TPU filaments.
3. Fast and silent printing
Neptune2s 3D printer is equipped with a 32-bit motherboard and SMT32F chip, with a memory of up to 1M FLASH, which makes the system run smoother and faster; the silent driver ensures that the motherboard has silent printing and accurate voltage output, ensuring silent printing.
4. Intelligent operation
Equipped with a material interruption detection switch, the model is automatically closed after printing; at the same time, in the case of power failure or operation error, the machine will automatically continue to print the interrupted model to completion, avoiding material waste and saving time and effort. The fan is intelligently controlled. After the machine is cooled down after printing, all fans will be turned off to prolong the life of the fan and solve the noise problem.
5. Safe and secure
The power of the machine has been repeatedly verified to ensure printing safety and reduce printing errors. The blue PTFE tube is more resistant to high temperature than the white PTFE tube. It can print stably at a temperature of 260°C for a long time, reducing the risk of clogging and making the machine more stable.
6. Compatibility
Neptune2s adopts a 250W hot bed, which can quickly heat up to 100°C to meet the needs of different materials. It also supports free switching of multiple languages to meet the different needs of customers.
(Contains 4 nozzles + 2 pneumatic connectors)
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