Elegoo Elegoo Mars 3 Pro 4K Mono LCD MSLA Resin 3D Printer

The Elegoo Mars 3 Pro is an mSLA resin 3D printer that packs a 6.6-inch 4K monochrome LCD panel, meaning your resin prints will have much more detail and accuracy. The Mars 3 Pro's build volume is 143 x 89 x 175mm (5.6" x 3.5" x 6.9"), incredibly impressive for the affordable price tag. And with quality-of-life design features like non-slip hexagon socket levelling screws, an air purifier with active carbon filter, the Mars 3 Pro is a sleek and impressive budget SLA printer.

  • 6.6" 4K Mono LCD screen with HD resolution
  • 143 x 89 x 175mm (5.6" x 3.5" x 6.9") build volume
  • XY Resolution of 35 microns
  • Air filtration system with activated carbon filter
List Price: $350.00
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Product No. M-D7F-FSLG



The Elegoo Mars 3 Pro is a 4K resolution mSLA resin 3D printer that produces fantastic quality prints at an affordable price.

Key Features of the Elegoo Mars 3 Pro 4K Resin 3D Printer:

  • Build volume of 143.36 x 89.6 x 175mm
  • 6.6" 4K Mono LCD, 405nm Wavelength
  • XY Resolutions of 35 microns
  • Air Purifier Included
  • Tempered Glass Screen Protector
  • Sandblasted Build Plate
  • Powerful COB Light Source


Elegoo's Mars 3 Pro utilizes a 4K HD LCD Screen with its powerful COB light source with fresnel lens to render fantastic features in your models for consistently outstanding results.

  • 4K 6.6" Mono LCD
  • XY Resolution: 35 microns
  • Powerful COB light with fresnel lens
High-detailed fantasy dragon model by Dragon Trappers printed on an Elegoo Saturn 2 8K Resin 3D Printer

COB with Fresnel Lens technology on the Elegoo Mars 3 Pro 4K Resin 3D Printer


The Mars 3 Pro is built to reliably deliver consistent fantastic results with every print from features like non-slip hexagon socket leveling screws to its sandblasted oxide surface build plate for stronger adhesion. 

  • Non-slip Hexagon Socket Leveling Screws
  • +90% Light Uniformity via COB w/ Fresnel Lens
  • Strong Adhesion w/ Sandblasted Build Plate
  • Better Print Release w/ PFA Liner
  • Scratch & Spill Protection w/ Tempered Glass Protector


The Elegoo Mars 3 Pro 4K Resin 3D Printer has a plug-in activated carbon filter to reduce the unpleasant odor that comes with some resin materials.

  • Included Air Purifier
  • Improve Resin 3D Printing Environment
Air Purifier being plugged into an Elegoo Mars 3 Pro 4K Resin 3D Printer

What Are the Main Differences between Elegoo's Top-of-the-Line Resin 3D Printers?

Elegoo Mars 3 Pro 4K Elegoo Saturn 2 8K Elegoo Jupiter 6K
Model Mars 3 Pro 4K Saturn 2 8K Jupiter 6K
Price $299.99 $549.99 $1299.99
Build Volume 143 x 89 x 175mm
(5.6" x 3.5" x 6.9")
219 x 123 x 250mm
(8.6" x 4.8" x 9.8")
278 x 156 x 300mm
(10.9" x 6.1" x 11.8")
LCD Screen 6.6" Mono LCD 10" Mono LCD 12.8" Mono LCD
High Definition 4K (4098x2560 px) 8K (7680x4320 px) 6K (5448x3064)
XY Resolution 35µm 28µm 51µm
Max Print Speed 50 mm/h 70 mm/h 70 mm/h
Double Axis
Linear Rails
No Yes Yes
Display 3.5" Touchscreen 3.5" Touchscreen 5" Touchscreen
Free Chitubox Pro 1 Year
Auto Resin Feeder ✔️
LED Light Strip ✔️
All-Metal Structure ✔️
Aluminum Handles ✔️
UV-tinted Glass Door ✔️
UV-tinted Cover ✔️ ✔️

What Comes with the Elegoo Mars 3 Pro 4K Resin 3D Printer?

1 x Elegoo Mars 3 Pro 3D Printer (main body w/ resin tank)
1 x Red UV Cover
1 x Build Platform
1 x Mini Air Purifier
2 x PFA (FEP 2.0) film
1 x Set of backup screws
1 x Set of wrenches
1 x USB Disk
1 x Adapter & cable
1 x Flush cutters
1 x Set of scrapers (2 pcs)
1 x Metal Scraper
1 x Plastic Putty Knife
5 x Disposable funnel
2 x Disposable mask
1 x Pair of disposable gloves
1 x Instructions Manual

*Please refer to the included packing list/manual included with your printer for the most up-to-date list.

What are the Technical Specifications of the Elegoo Mars 3 Pro 4K Resin 3D Printer?

Technology mSLA
Assembly Fully-Assembled
Made in China
(W × D × H)
227 x 227 x 438.5mm
(8.93" x 8.93" x 17.28")
Weight 5.5kg (12.1lbs)
Light Source UV LED
Light Source Design COB with Fresnel lens
Light Source Wavelength 405nm
LCD Screen 6.6" Monochrome LCD
LCD Screen XY Resolution 4K HD, 35µm (0.035mm)
4098x2560 pixels
Build Volume
(W × D × H)
143.36 x 89.6 x 175mm
(5.65" x 3.52" x 6.8")
Layer Height 0.01 – 0.2 mm (10µm - 200µm)
Print Speed 30 - 50mm/h
Z Axis Positioning Accuracy 0.00125mm (1.25µm)
FEP PFA Release Liner
LCD Screen Protector 9H Tempered Glass Protector
Build Plate Sandblasted surface
Air Purifier Included activated carbon filter
Material Compatibility 405nm UV resins
Slicer Software CHITUBOX
Supported File Export Format STL, OBJ, CBDDLP, ZIP, SLC, WOW, FHD,
OS compatibility Windows, macOS, Linux
Display 3.5" LCD Touchscreen
Connectivity USB
Operating Voltage 100–240V, 50/60Hz
Warranty Period 12 Months

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