Formlabs Form 4

Industrial-Grade Desktop MSLA 3D Printer 

Form 4 Overview

The Formlabs Form 4 is a desktop resin 3D printer built for high-speed prototyping and production. Powered by Formlabs’ Low Force Display (LFD) print engine and MSLA technology, the Form 4 cures entire layers simultaneously to significantly reduce print times while maintaining the accuracy, reliability, and surface quality expected from professional resin printing. 

 

For a comprehensive list, explore all Formlabs SLA printers. 

Form 4 Technical Specsifications

Technical Category
Specifications
Technology
MSLA (Masked Stereolithography)
Printer Dimensions
(W x D x H)
39.8 × 36.7 × 55.4 cm
15.7 × 14.5 × 21.9 in
Build Volume
20.0 × 12.5 × 21.0 cm
(7.9 × 4.9 × 8.3 in)
Max Print Speed
100 mm/hr
Layer Thickness
25–200 µm
XY Resolution
50 µm
Resin Heating & Internal Temp
High speed conduction resin heating with infrared temperature sensing.
Auto-heats resin to 77–113 °F depending on material.
Compatible Materials
23+ Formlabs Resins, or third-party materials using Open Material Mode
(see Formlabs SLA materials)
Post-Processing
Form Wash, Form Cure
Software
PreForm, Dashboard
Connectivity
Wi-Fi, Ethernet, USB-C 2.0

Form 4 Use Cases

Rapid Prototyping

Produce detailed concept models, functional prototypes, and design iterations in a fraction of the time required by traditional manufacturing methods.

Manufacturing Tooling

Create custom jigs, fixtures, assembly aids, and workholding tools for production environments.

End-Use Parts

Manufacture low-volume production components, custom products, and application-specific parts with complex geometries.

Fluidics & Enclosures

Print transparent components, fluidic devices, and watertight enclosures using Clear Resin and other engineering materials.

Form 4 Features and Benefits

The Form 4 is designed to reduce print times without compromising part quality. MSLA technology cures an entire layer at once, allowing many parts to be produced in a single build while maintaining consistent throughput. 

The Form 4 works with PreForm, Formlabs’ print preparation software for part orientation, support generation, print setup, and printer management. PreForm includes material-specific print settings and automated preparation tools to help streamline the path from CAD model to printed part. 

An upgraded sensor system continuously monitors key printing conditions throughout the build process. This helps maintain consistent print performance across a wide range of materials and applications. 

The Form 4 produces parts with fine feature resolution, smooth surfaces, and strong dimensional accuracy. This makes it well suited for prototypes, production tooling, and end-use components where appearance and fit are important. 

The Form 4 supports a large portfolio of Formlabs materials, including engineering, flexible, high-temperature, and specialty resins. Open Material Mode also provides access to qualified third-party materials for expanded application flexibility. 

Form 4 Compatible Materials

The Form 4 is compatible with a broad range of Formlabs SLA resins designed for prototyping, manufacturing, product development, and specialty applications. 

Form 4 Post-Processing Workflow

The Form 4 integrates with the Form Wash and Form Cure systems to streamline resin post-processing. Washing and curing help achieve the final material properties, surface finish, and dimensional performance required for production-ready parts.  

Frequently Asked Questions (FAQs) About Formlabs Form 4

The Formlabs Form 4 is a professional MSLA resin 3D printer designed for fast, accurate part production. Its Low Force Display (LFD) print engine cures entire layers at once while reducing print forces throughout the build process. For teams evaluating desktop resin printers, it is well suited for prototyping, tooling, and low-volume production. 

The Form 4 supports 23+ engineering resins including Tough 2000, Rigid 10K, High Temp, Flexible 80A, ESD, and Castable Wax. Each resin is formulated to simulate specific injection-molded plastics, giving functional prototypes real mechanical properties. Explore Formlabs materials or contact MLC to match a resin to your application. 

The Form 4 produces parts with surface finish, dimensional accuracy, and material properties that FDM printers cannot match at any price point. Its MSLA technology cures full layers simultaneously, meaning complex, detailed parts print faster with less post-processing labor. For teams that prototype frequently, the reduction in rework and vendor outsourcing typically offsets the cost quickly. 

Total cost of ownership includes the printer, Form Wash, Form Cure, and ongoing resin costs, typically $1-$4 per mL depending on the resin. Formlabs‘ software provides material usage tracking to help teams monitor and control spend. Contact MLC for a full cost breakdown based on your expected print volume. 

The Form 4 can produce end-use parts for jigs, fixtures, tooling inserts, and low-volume production components. Engineering resins like Rigid 10K and High Temp are specifically formulated for functional, production-grade use. The suitability depends on load, temperature, and environment requirements for your specific part. 

The Form 4 is designed to deliver a more reliable resin printing experience than many earlier SLA and MSLA systems. Its Low Force Display (LFD) print engine reduces print forces, while validated material settings help maintain consistent performance. For teams experiencing frequent print failures, the Form 4 can help improve print consistency and reduce troubleshooting. 

Yes. The Form 4 supports shared workflows through Formlabs’ software platform, allowing teams to submit print jobs, monitor printer status, manage materials, and track production activity across multiple printers and users.  

Additional Resources

Professional Training

Unlock your team’s potential with hands-on, certified SOLIDWORKS training—designed to sharpen skills, boost productivity, and solve real-world design challenges. Start learning from the pros today.

Technical Support

Stuck on a design issue or software glitch? Our certified support team is ready to help you—we have real answers, real people, real fast. Let us solve it so you can keep building, designing, or prototyping.

Upcoming Events

Stay ahead with hands-on workshops, product demos, and expert-led sessions tailored for the design-to-manufacturing community. Learn, connect, and grow with us—online or in person.
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