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Formlabs Form 4B

Open System. Proven Reliability.

Key Features

Unprecedented print speeds. Print 11 dental models in 9 minutes.

Unrivaled accuracy that matches your commitment to a perfect fit, every time.

Open System

Blazing Fast

Unmatched Reliability

Absurdly Intuitive

Formlabs Form 4B

Specs

Technical specifications

 

Technology

Masked Stereolithography (MSLA)

Printer Engine

Low Force Display™ (LFD)

Key Components

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 with integrated air cooling.

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

Under optimal conditions.

100 mm/hour 3.9 in/hour

Typical Print Speed

Across all materials.

Average: 40 mm/hour (1.6 in/hour) Range: 16–50 mm/hour (0.6–2.0 in/hour)

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

Typical Dimensional Tolerances (XY)

1–30 mm features: ±0.15% (min ±0.02 mm) 31–80 mm features: ±0.2% (min ±0.06 mm) 81–150 mm features: ±0.3% (min ±0.15 mm)

Reliability

Measured by an independent third-party lab.

98.7%

How it works

The intuitive workflow that transformed digital dentistry. Now up to 5x faster.

The intuitive workflow that transformed digital dentistry. Now up to 5x faster.

01

Import your model and prepare your print.

  • Automatic print setup based on indication
  • Convert scan files to 3D printable models with Scan to Model
  • Seamless integration with scanners and CAD software
Import your model and prepare your print.

02

Load a material and click print.

  • Validated print settings
  • No-hassle cartridge and tanks
  • Automatic resin dispensing
Load a material and click print.

03

Remove, wash, cure.

  • Quick release part removal
  • Automatic part cleaning
  • Fast post-curing with peak material properties
Remove, wash, cure.

04

Finish your part.

  • Light touch supports for quick, clean support removal
Finish your part.

Materials

38 industry-leading resins including 15 biocompatible.

Precision Model Resin

Precision Model Resin

MatteHigh AccuracyFine Details
Denture Base Resin

Denture Base Resin

Multiple ShadesDenture BasesWear ResistantBiocompatibility
True Cast Resin

True Cast Resin

Patterns for Casting & PressingHigh AccuracyFine DetailsClean BurnoutCasting
IBT Flex Resin

IBT Flex Resin

ElastomericBiocompatibilityIndirect Bonding Trays
Dental LT Clear V2 Resin

Dental LT Clear V2 Resin

RobustWear ResistantBiocompatibilityHard Splints and Occlusal GuardsTransparent
Custom Tray Resin

Custom Tray Resin

Custom Impression TraysBiocompatibilityTranslucent
Surgical Guide Resin

Surgical Guide Resin

SterilizableTranslucentBiocompatibilitySurgical Guides
Premium Teeth Resin

Premium Teeth Resin

Multiple ShadesWear ResistantDenture TeethBiocompatibility

Applications

Effortlessly create parts for any dental application. Print any resin with Open Material Mode.

Surgical GuidesFull DenturesClear Aligner ModelsAll-on-XOcclusal Splints and GuardsDiagnostic ModelsRestorative ModelsTemporary RestorationsCustom Impression TraysPermanent RestorationsDirect Composite RestorationsIndirect Bonding TraysPatterns for Casting and PressingOpen Material Mode
Dental applications

Wash & Cure

Fast, Clean SLA Post-Processing.

Fast, Clean SLA Post-Processing.

Form Wash

Effortless, Mess-Free Cleaning for Perfect Parts.

Form Wash and Form Wash L provide thorough cleaning with powerful agitation to ensure residual resin is completely removed. After the preset wash cycle, the parts are automatically lifted from the bath to air dry.

Effortless, Mess-Free Cleaning for Perfect Parts.

Form Cure

Optimal Material Properties in Record Time.

Form Cure and Form Cure L use powerful LEDs, convective heating, and validated presets to achieve optimal mechanical properties with speed and precision.

Optimal Material Properties in Record Time.

Formlabs Software

3D Printing Setup, Management, and Monitoring Made Simple

Formlabs software solutions help you work more efficiently. Prepare your 3D models for printing with a few clicks, manage a single printer or an entire fleet from the cloud, and automate and optimize your workflow.

Formlabs software dashboard

Get the Formlabs Form 4B

Experience industrial-quality SLA printing with an open material system and proven reliability. Get expert guidance on setup, resins, and the right workflow for your team.

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