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Additive manufacturing and prototyping

Formlabs Form 4B Resin 3D Printer (MSLA)

High-resolution layer-by-layer fabrication of functional prototypes, moulds and biocompatible parts from photocurable resins with fine surface finish.

Resin 3D printer with cured parts on the build platform
Photo: The wub via Wikimedia Commons, CC BY-SA 4.0
Operational
ISO/ASTM 52900

In short

High-resolution layer-by-layer fabrication of functional prototypes, moulds and biocompatible parts from photocurable resins with fine surface finish. The Formlabs Form 4B is a resin 3D printer based on 405 nm backlit LCD masking (MSLA) that exposes each layer in a single pass through a low-force release mechanism.

Print technology
Backlit LCD masking (MSLA), 405 nm
Build volume
200 × 125 × 210 mm
XY resolution
50 µm

Services on this instrument

Prices are a guide and may change with any additional requests. Our team will contact you to confirm the scope and the final price.

Overview

The Formlabs Form 4B is a resin 3D printer based on 405 nm backlit LCD masking (MSLA) that exposes each layer in a single pass through a low-force release mechanism. The B series runs standard, engineering, flexible, high-temperature and castable resins as well as biocompatible medical and dental resins, delivering short layer times independent of geometry and smooth as-printed surfaces. Controlled post-processing by solvent washing and UV post-curing fixes dimensional accuracy and mechanical properties. Principal applications include microfluidic moulds, sample holders and fixtures for characterisation, injection-mould prototypes, patient-specific anatomical models and small series of functional parts. For materials research the system provides a controlled workflow from STL/OBJ design to finished print.

Measurement principle

Capabilities

  • Layer-by-layer fabrication at 50 µm XY resolution with 405 nm MSLA

  • Adjustable layer thickness from 25 to 300 µm

  • Printing with engineering, flexible, high-temperature and castable resins

  • Biocompatible medical and dental resin support (B series)

  • Controlled post-processing by washing and UV post-curing

  • Production of characterisation fixtures, moulds and microfluidic prototypes

Suitable samples

  • Functional prototypes and fixtures

  • Microfluidic and casting moulds

  • Dental and medical models

  • Sample holders and test jigs

  • Small-batch end-use parts

Technical specifications

Formlabs Form 4B Resin 3D Printer (MSLA) — Technical specifications
Print technologyBacklit LCD masking (MSLA), 405 nm
Build volume200 × 125 × 210 mm
XY resolution50 µm
Layer thickness25 – 300 µm
Material familyStandard, engineering, flexible, castable and biocompatible resins
Post-processingSolvent wash and UV post-cure

Services on this instrument

Prices are a guide and may change with any additional requests. Our team will contact you to confirm the scope and the final price.
Manufacturer
Formlabs
Model
Form 4B
Catalogue no.
27
Reference standards
ISO/ASTM 52900

Quick answers

Resin 3D Printer: key facts

What is Formlabs Form 4B Resin 3D Printer (MSLA) used for?

It is used for: Layer-by-layer fabrication at 50 µm XY resolution with 405 nm MSLA, Adjustable layer thickness from 25 to 300 µm, Printing with engineering, flexible, high-temperature and castable resins, Biocompatible medical and dental resin support (B series), Controlled post-processing by washing and UV post-curing, and Production of characterisation fixtures, moulds and microfluidic prototypes.

Which samples can Formlabs Form 4B Resin 3D Printer (MSLA) analyse?

Suitable samples: Functional prototypes and fixtures, Microfluidic and casting moulds, Dental and medical models, Sample holders and test jigs, and Small-batch end-use parts.

Which standards does Formlabs Form 4B Resin 3D Printer (MSLA) relate to?

Relevant standards: ISO/ASTM 52900.

Which NAKTEM services use Formlabs Form 4B Resin 3D Printer (MSLA)?

Rapid Prototyping: 3D Printing and CNC.

What results do I receive?

Typical deliverables: Fabricated parts (resin, FDM or CNC) with the requested post-processing, Production record covering material, layer height/toolpath, print or machining parameters and post-processing steps, Manufacturability assessment and design improvement suggestions, Dimensional check report of critical features by calliper/micrometer on request, and Production summary report (PDF).

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