Formlabs Form 4B 3D Printer

£4,097.00 EX.VAT

Available on backorder

Formlabs Form 4B 3D Printer - Blazing Speed Meets Unmatched Accuracy

  • Fast: A model every 49 seconds
  • Versatile: 15+ Formlabs and third-party resins
  • Intuitive: Anyone can learn in 15 minutes
  • Accurate: A perfect fit every time


Masked Stereolithography (MSLA)

Printer Engine:

Low Force Display™ (LFD)

Key Components of the Print Engine:

Backlight Unit
Light Processing Unit 4 (LPU 4)
Release Texture
Flexible Film Resin Tank
Intelligent Control Systems
High-Speed Automatic Resin Handling

Light Source:

Backlight Unit: 60 uniform-wavelength LEDs, a plano-convex lens array, and integrated air cooling
405 nm optical wavelength
16 mW/cm² optical power intensity delivered to the cure plane
50 µm pixel size

Maximum Print Speed:

100 mm/hour
3.9 in/hour

Typical Print Speed:

Average: 40 mm/hour across all materials
Range: 15-100 mm/hour depending on the material

Typical Dimensional Tolerances:

1-30 mm features: ±0.15% (lower limit: ±0.02 mm)
31-80 mm features: ±0.2% (lower limit: ±0.06 mm)
81-150 mm features: ±0.3% (lower limit: ±0.15 mm)

Surface Accuracy (Restorative Models):

On average with Precision Model Resin:
99.7% of surfaces within 100 μm of CAD model
95% of surfaces within 50 μm of CAD model
69% of surfaces within 25 μm of CAD model

Biocompatible Materials:



Light-touch removal


Wi-Fi (2.4 and 5 GHz; IEEE 802.11 b/g/n/ac, WPA/WPA2)
Ethernet (1000 Mbit)
USB-C 2.0

Printer Control:

7" interactive touchscreen
1280 × 800 resolution
Languages: English, German, French, Spanish, Italian, Japanese, Traditional Chinese, Simplified Chinese


Touchscreen alerts
SMS/email via Dashboard
Speaker for audio alerts

Build Volume (W x D x H):

20.0 × 12.5 × 21.0 cm
7.9 × 4.9 × 8.3 in
5.25 liters

Build Area:

250 cm²
38.8 in²

Maximum Part Length:

27.3 cm
10.7 in

Printer Dimensions (W x D x H):

39.8 × 36.7 × 55.4 cm
15.7 × 14.5 × 21.9 in

Minimum Access Dimensions (W x D x H):

40.7 × 47.8 × 84.4 cm
16.0 × 18.8 × 33.2 in

Printer Weight:

18.3 kg
40.4 lb

Operating Environment:

18–28 °C
64–82 °F

Power Requirements:

100–240 VAC
4.8 A
50/60 Hz
480 W

XY Resolution:

50 µm with pretuned anti-aliasing for subpixel resolution.
Superior fine feature performance and sharp features compared to the Form 3 Series.

Layer Thickness:

25–300 µm
0.001–0.012 in

Resin Cartridges:


Resin Cartridge Type:

Next-generation resin cartridge
5-10x faster filling
63% less waste
30% less shelf space

Resin Heating:

High speed conduction resin heating with infrared temperature sensing

Internal Temperature:

Auto-heats resin to 25–45 °C (77–113 °F), depending on material

Force Sensing:

Z-Axis Force Sensor: automatically optimizes print quality and print speed based on part geometry and selected material.

Sensors and Control Systems:

6 upgraded sensors that precisely control resin temperature, resin level, print forces, and print status:
High-speed conduction resin heating with infrared temperature sensing
Ultrasonic Resin Level Sense: controls resin in the tank
Z-Axis Force Sensor: controls and minimizes print forces
Resin Cartridge Load Cell: measures exact resin level in cartridge
Printer Leveling Sensor


Integrated camera
2592 x 1944 resolution (5MP)
Remote monitoring, print history, and print timelapses
Can be easily disabled, covered, or removed


PreForm, Dashboard, Fleet Control

PreForm System Requirements:

Windows 7 (64-bit) and up
Mac OS X 10.12 and up
OpenGL 2.1
4 GB RAM (8 GB recommended)

File Types:

STL, OBJ, and 3MF file input
FORM file output

PreForm Print Setup Features:

One-Click Print
Adaptive layer thickness for faster printing with fine details
Remote Print
Auto-orient for optimal print position
Auto-mesh repair
Auto-generation of supports
Advanced tools for manually editing supports
Rotate, scale, duplicate, and mirror
Layer slicer for path inspection
Custom print settings
Available in multiple languages

Dashboard Printer Management Features:

Manage prints and printers via the cloud
Track resin and tank usage over time
SMS and email alerts
Create enterprise group accounts with admins to more easily share printers and control access

Resin Tank Estimated Lifetime:

75,000+ layers with any Formlabs material
For example: approximately 340 prints using clear aligner models (22 mm tall), any resin, and 100µm layer height

Light Processing Unit Estimated Lifetime:

600,000 - 1,900,000 layers, depending on material and layer height
For example: approximately 5,000 prints using diagnostic models (22 mm tall), Grey Resin V5, and 100µm layer height

Formlabs Form 4B 3D Printer

Form 4B is a blazing fast dental 3D printer that offers the most diverse materials library for dentistry and orthodontics. Create high-quality dental models and biocompatible appliances fast, with easy workflows, leading reliability, and stunning part quality using the Form 4B ecosystem.

Form 4B’s speed is driven by Formlabs’ new Low Force Display™ Print Engine, a powerful combination of ultra-high power LEDs, collimating lenses, optical filters, and a robust liquid crystal display. Together they cure each layer of resin rapidly — regardless of part size or quantity. With consistent surface accuracy, models, appliances, and prosthetics will fit every time.


Unmatched reliability: The quality that you can trust

Consistently Accurate: Across the build platform
Smoothest Surfaces: Lower peel forces, light touch supports, and 50 µm pixel size with pre-tuned anti-aliasing
Sharpest Details: Highly collimated light and 50 µm pixel size with pre-tuned anti-aliasing for subpixel resolution


Create effortlessly create parts for any medical application



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