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Formlabs Form 4L

Big Parts, Blazing Fast.

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Key Features

Solve big problems with large-scale parts.

Or print multiple parts in one job, so you can accelerate product development or keep production running.

Big Parts

Blazing fast

Stunning Parts

Versatile

Reliable

Intuitive

Formlabs Form 4L

Specs

Technical specifications

Technology

Masked Stereolithography (MSLA)

Printer Engine

Low Force Display™ (LFD)

Light Source

Backlight Unit with integrated air cooling.

145 uniform-wavelength LEDs, plano-convex lens array 405 nm optical wavelength 16 mW/cm² optical power intensity 46 µm pixel size

Maximum Print Speed

Under optimal conditions.

80 mm/hr 3.1 in/hour

Typical Print Speed

Across all materials.

Average: 24 mm/hour (0.9 in/hour) Range: 20–35 mm/hour (0.8–1.4 in/hour)

Reliability

Testing in progress.

Dimensional Tolerances (XY)

1–30 mm features: ±0.15% (lower limit: ±0.02 mm) 31–80 mm features: ±0.3% (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.

99.9% of surfaces within 100 µm of CAD model 96.7% of surfaces within 50 µm of CAD model 71.4% of surfaces within 25 µm of CAD model

How it works

So intuitive that anyone can learn to print in 15 minutes.

So intuitive that anyone can learn to print in 15 minutes.

01

Import your model and prepare your print.

  • Smart auto-orientation
  • Advanced support generation
  • Live printability checks
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
  • Precision post-curing for peak material properties
Remove, wash, cure.

04

Finish your part.

  • Light touch supports for quick, clean support removal
  • Optional sanding, coating, or painting
Finish your part.

Materials

23 industry-leading resins for every application.

Tough 2000 Resin V2

Tough 2000 Resin V2

Stiff & StrongImpact ResistantABS-LikeWear Resistant
Color Resin

Color Resin

MatteCustom ColorsHigh StrengthHigh AccuracyFine Details
Clear Cast Resin

Clear Cast Resin

Fine DetailsInvestment CastingTransparentHigh Accuracy
Grey Resin V5

Grey Resin V5

Stiff & StrongMatteFast PrintingHigh AccuracyFine DetailsPost-Curing Optional
Clear Resin V5

Clear Resin V5

Stiff & StrongHigh StrengthTransparentHigh AccuracyFine DetailsPost-Curing Optional
Tough 1500 Resin V2

Tough 1500 Resin V2

PliablePP-LikeWear Resistant
Fast Model Resin

Fast Model Resin

High ThroughputFast PrintingHigh StrengthPost-Curing Optional
Rigid 10K Resin

Rigid 10K Resin

Heat ResistantHigh StrengthGlass FilledUltra StiffFine Details

Applications

Real world applications across industries.

Pre-Production Validation

Tough 1500 Resin

Pre-Production Validation

Forge Motorsport reverse-engineered an underperforming part, 3D printed a new design, and tested it on a vehicle for five months before committing to tooling.

Silicone Gaskets

Silicone Gaskets

Silicone 40A Resin

Side Mirrors

Side Mirrors

Clear Resin

Rapid Tooling

Rapid Tooling

High Temp Resin

Carbon Fiber Molds

Carbon Fiber Molds

Tough 1500 Resin

Drone Parts

Drone Parts

Tough 2000 Resin

Tooling for Escape Route Markings

Tooling for Escape Route Markings

Clear Resin

Wind Tunnel Test Parts

Wind Tunnel Test Parts

Rigid 10K Resin

Custom Antennas

Custom Antennas

Clear Resin (Electroplated)

Functional Prototypes

Functional Prototypes

Grey Pro Resin

Silicone Prototypes

Silicone Prototypes

Silicone 40A Resin

Thermoforming Molds

Thermoforming Molds

Grey Resin

Test Fixtures

Test Fixtures

Tough 2000 Resin

Wash L & Cure L

Fast, Clean SLA Post-Processing.

Fast, Clean SLA Post-Processing.

Form Wash L

Automate Cleaning With Form Wash L

Use the pre-programmed wash settings or save your own frequently used custom profiles to improve post-processing efficiency.

Automate Cleaning With Form Wash L

Form Cure L

Post-Cure Most Large Resin Parts in 60 Seconds

Rapid curing and quick heat up for consistent, validated results and effortless post-curing of large resin 3D prints.

Post-Cure Most Large Resin Parts in 60 Seconds

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 4L

Experience large-format SLA printing at blazing speed. Get expert guidance on setup, resins, and the right workflow for your team.

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