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Formlabs’ New Form 4: Unmatched Speed, Accuracy, and Reliability to Redefine 3D Printing

Form 4 and its biocompatible version, Form 4B, set a new standard for professional 3D printing. By combining the most diverse materials library available with a powerful new print engine, Form 4 printers enable new levels of creativity and productivity.

Iterate three times as fast, multiple times a day, so every possible angle is explored. Produce consistent parts at high volumes, without worrying about downtime or reliability issues. Take on more volume and respond to more requests to increase productivity across your organization.

With two to four times faster print speeds, a 30% larger build volume, unmatched reliability and precision, and the most rigorous quality engineering process in the industry, there is no limit to what Formlabs customers can achieve with Form 4.

Form 4 combines a new print engine with updates to the Formlabs materials library — 23 unique resins on Form 4 and 37 on Form 4B available at launch — as well as new accessories and post-processing solutions, and an improved user experience. These updates reaffirm that Formlabs’ resin 3D printing ecosystem is the most powerful tool available for any professional to turn their ideas into reality.

What's Included in the Form 4 Basic Package:
- Form 4 Printer
- Form 4 Resin Tank
- Form 4 Mixer
- Form 4 Build Platform
- Form 4 Finish Kit

The Next Step in SLA Evolution

Since 2011, Formlabs has been dedicated to producing powerful 3D printing tools for engineers, product designers, manufacturers, researchers, healthcare professionals, and more. By making advanced 3D printing technology accessible, early versions of our printers powered innovations in every industry, and removed the cost and time limitations of traditional manufacturing.

But designing products and working with physical things is still incredibly difficult — every idea will have to overcome innumerable hurdles before reaching the end-user, and scaling production represents additional obstacles. Though 3D printing removes many barriers inherent in the fabrication process, even in-house fabrication of prototypes, tooling, and low-volume end-use parts can be too slow or too costly.

A 3D printer needs to be a tool that can match the speed of a product designer’s ‘lightbulb moments,’ the daily demand for assembly line fixturing, or production at scale. By working with over 50,000 companies who have leveraged Formlabs printers for years, we identified pain points in the 3D printing process, and have worked to continuously improve our products to address them.

Form 4 creates new opportunities in every application, accelerating the iterative speed of a design team, increasing the volume of a production-scale manufacturer, and expanding the material versatility of a service bureau.

Print speeds of up to 100 mm per hour, a 30% larger build volume, new advanced materials, and updates to the workflow make Form 4 the most powerful professional fabrication tool available.

From Ideation to Validation Before Lunch

Form 4 enables every individual, team, and organization to get more done. Productivity is never limited by a lack of good ideas — it’s limited by the ability to execute. With faster printing speeds than ever before, products can go through design, print, and testing multiple times a day.

Prints on Form 4 are completed two to four times faster than with any other Form Series resin 3D printer, even for tall parts or batch printing. This new capability outpaces professional 3D printers across every technology and discipline.

Form 4’s speed is driven by the new Low Force Display™ print engine, a powerful combination of high-power LEDs and masking lenses that cure each layer of resin instantly — regardless of part size or quantity. Print speeds are no longer affected by how much of the build platform is covered, so multiple parts can print at once without extending your print time.

Industry-Leading Dimensional Accuracy

3D printed parts need to be precise to be useful. Whether they’re prototypes that need to look like an injection molded plastic, or fixtures that need to mate with existing components on an assembly line, tolerances matter. Speed should never come at the cost of accuracy and precision.

Form 4 not only matches the industry standard for tolerances, it goes beyond. With superior and repeatable tolerances, parts printed in every resin on Form 4 will match your design parameters, every time. Form 4’s Light Processing Unit (LPU) delivers a 50 µm XY resolution so that multi-part assemblies glide together without friction, manufacturing aids integrate seamlessly into the workflow, and end-use parts match the repeatable precision of mass-produced plastics made through injection molding.

With repeatable tolerances that match initial designs, parts can remain the same through each stage of product development. Quickly printed as a mockup, functionally tested as a later-stage prototype, or produced as a stop-gap option, the appearance and performance of every part will stay the same. Surface finishes that are indistinguishable from injection molded plastics make the design to mass-production workflow simpler. With the accuracy of Form 4, you can focus on the product, not planning contingencies for dimensional variation.

15 Minutes to Your First Print: Any User, Any Application

Before earlier iterations of the Form Series introduced accessible, high-quality 3D printing, SLA workflows were often complicated. Some required dedicated operators, complex infrastructure, and large spaces for top-down resin printing.

With the Form Series, Formlabs proved that accessible 3D printing meant more than just affordable prices — it also meant that the workflow could be easy to learn and that the printer could fit into your existing space, including offices, homes, classrooms, and machine shops. Form 4 takes that one step further, simplifying the printer set-up, monitoring, and material change-over, so that anyone can start printing within 15 minutes.

In addition to the speed improvements made possible by the print engine and material settings, new automatic resin handling features reduce the time it takes for prints to start. Automatic resin dispensing uses a series of smart sensors to maximize uptime, so that changeover time between prints is negligible and you can focus on the parts, not the process.

Form Series printers are being used in applications as complex as bioengineered cell scaffolding, metal turbine fabrication through investment casting, and surgical implants. When 3D printing is part of a process that complex, the actual printing should be the easiest step, and Form 4 makes that possible. From receiving your printer to starting your first print, spend only 15 minutes on set-up and watch your ideas take shape in minutes.

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