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Replacement Backlight Unit assembly for the Form 4 generation 
<a href="https://support.formlabs.com/s/article/Replacing-the-Form-4-Backlight-Unit">Installation guide</a>

Form 4 Backlight Unit (BLU)

Printers (SLA)

Form 4B Dental

Form 4B Medical

Form 4BL Dental

Form 4BL Medical

Form Wash

Form Cure

Form Wash L

Form Cure L

Automation

SLA 3D Printers

Printers (SLS)

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Find the Right Material for Your Application 

Our interactive material selection wizard will help you make the right material decision based on your application and the properties you care the most about from our growing library of 20+ resins.

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Printing Technology

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Specialty

Drones

3D Printing Solutions for Aerospace

Explore applications of 3D printing in the aerospace industry and learn how to accelerate time to market and cut costs by up to 90%.

Scalable Production, Fast ROI

Learn how dental labs and practices of any size can build reliable, high quality, easy-to-use digital workflows for dental models, surgical guides, splints, retainers, and more.

Low Investment, High Impact 

Open the door to high-impact medical applications, while saving significant time and costs from the lab to the operating room.

Bring the Real World to the Classroom

Encourage creativity and expose students to the same professional-level technology used by businesses in a range of industries.

Incredible Details, Beautiful Surface Finish

Use accessible, professional 3D printing to facilitate collaboration, win over directors, and bring hyper-realistic digital models to life in a matter of hours.

Form 4 Backlight Unit (BLU)

Tech specs

Tech specs