Formlabs 4B Overview
Formlabs Form 4B is the next evolution in stereolithography (SLA) 3D printing technology, built upon years of groundbreaking hardware, software, and materials science innovations.
Create biocompatible, sterilizable anatomical models and medical devices fast, with easy workflows, leading reliability, versatile materials, and stunning part quality using the Form 4B ecosystem.
The dental version allows for high-quality dental models and biocompatible appliances fast and easy.

Formlabs Form 4B
Prices starting at US$7,699 with resins starting at US$79
Formlabs Form 4B Features

Formlabs Form 4B Benefits

3D Printer that grows with your business
The Form 4B printer is compatible with all the consumable components that are used on the Form 3. So if you are looking to upgrade, the process has never been easier and less wasteful.
The Form 4B has been designed with many other features to improve usability, such as; easy to use touchscreen interface, adaptive layer height printing, remote printing, tear away supports and many more.

Unmatched control and reliability
Six control systems precisely measure and maintain the temperature, resin level, print forces, and print status inside your printer.
The printer features robust hardware that was engineered for years of use. Tank rated for >75,000 layers for all materials. Light Processing Unit rated for >750,000 layers.
Formlabs SLA 3D Printing Process

1. Preform
Go from CAD to printing in minutes with just a few clicks using the free PreForm software.

2. Print
Monitor your prints and manage your printers from anywhere with an integrated camera, printer diagnostic tools, and free dashboard software.

3. Wash & Cure
Easy, effective post-processing in just fifteen minutes with quick release Build Platform Flex, Formlabs Form Wash, and Form Cure.

4. Finish
Use finished parts as they are or opt to sand, paint, coat, or electroplate them.
Formlabs Form 4B 3D Printer Specs
- Technology: Low Force Display™ (LFD)
- XY resolution: 50 microns
- Build volume: 20.0 × 12.5 × 21.0 cm | 7.9 × 4.9 × 8.3 in
- Layer thickness: 25 – 300 microns
- Average print speed: 100 mm/h
- Resin Tank lifetime: 75,000+ layers with any Formlabs material
- Printer weight: 18.3 kg | 40.4 lb
- Printer dimensions: 39.8 × 36.7 × 55.4 cm | 15.7 × 14.5 × 21.9 in
- Warranty and service: One-year warranty included | Paid service and extended warranty options available
- Software compatibility: Windows 7 and up | Mac OS X 10.12 and up
- File types accepted: STL, OBJ, 3MF

Formlabs SLA Printer Comparison
Discover the differences between the Formlabs Stereolithography machines
| Model | Technology | Build Volume | Min Layer Resolution | Materials | Description |
|---|---|---|---|---|---|
![]() Formlabs Form 4L | LFD / SLA | 353 × 196 × 350mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic | Large format SLA with amazing resolution |
![]() Formlabs Form 4 | LFD / SLA | 200 × 125 × 210mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic | Desktop SLA with amazing resolution |
![]() Formlabs Form 4B | LFD / SLA | 200 × 125 × 210mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic + a variety of Class 1 and Class 2a biocompatible resins | Easy clean-up and smoother parts with tear-away light-touch supports. |
![]() Formlabs Form 4BL | LFD / SLA | 353 × 196 × 350mm | 25μm | Resins include: all standard Formlabs resins + a variety of Class 1 and Class 2a biocompatible resins | A large-format resin printer designed for medical and dental applications with blazing fast speeds. |
![]() Formlabs Form 3L | LFS / SLA | 300 x 335 x 200mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic | Large format SLA with amazing resolution |
![]() Formlabs Form 3BL | LFS / SLA | 300 x 335 x 200mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic + a variety of Class 1 and Class 2a biocompatible resins | Easy clean-up and smoother parts with tear-away light-touch supports. |
![]() Formlabs Form 3+ | LFS / SLA | 145 x 145 x 185mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic | Desktop SLA with amazing resolution |
![]() Formlabs Form 3B+ | LFS / SLA | 145 x 145 x 185mm | 25μm | Resins include: Standard, Tough, Durable, Castable Wax, Rigid, Clear, Flexible, Elastic, Grey Pro, High Temp, Ceramic + a variety of Class 1 and Class 2a biocompatible resins | Easy clean-up and smoother parts with tear-away light-touch supports. |
Materials available for the Formlabs Form 4B

Jewelry Resins
High-detail materials for jewelry design and clean investment casting.
Prototype impressive concept models and manufacture distinctive pieces with sharp resolution and the best surface finish on the market, from idea to fitting to casting.

Standard and Engineering Resins
Functional prototyping materials.
The Formlabs library of versatile, reliable Standard and Engineering Resins is formulated to help you reduce costs, iterate faster, and bring better experiences to market.

Medical and Dental Resins
Formlabs medical resins are validated for FDA-cleared workflows, produced in an ISO 13485 certified facility.
Formlabs Dental Resins enable high precision, low-cost digital production of a range of dental products in-house, including surgical guides, orthodontic models, retainers, and aligners.
Find the Perfect Materials
We have a complete selection of high-quality materials, specifically chosen for your Formlabs 3D printer.
Formlabs Form FAQs
Industries we work with
TriMech Advanced Manufacturing is used in a wide variety of industries

Architectural Design & Construction
- Model making
- Urban planning
- Concepts

High Tech & Consumer Products
- Aesthetic and function testing
- Concepts and prototypes
- Sales and marketing models

Dental, Medical & Life Sciences
- Anatomical models
- Medical devices
- Orthopedics
- Prosthetics
- Surgical planning models

Industrial Products, Mold Tool & Die
- Jigs, fixtures, and assembly tooling
- Injection molding
- Silicone molding
- Sand and investment casting
- Thermoforming
More 3D Printers
Stratasys J850 Core
The Stratasys J850 Core delivers accessible professional PolyJet 3D printing for fast, accurate multi-material prototypes focused on form, fit, and function.
Stratasys J5 Digital Anatomy
The Stratasys J5 Digital Anatomy 3D Printer enables the creation of biomechanically accurate, highly realistic anatomical models.












