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Cloud Slicer · PreForm Engine

Formlabs Slicer
PreForm for SLA in the Cloud

The dedicated cloud engine for Formlabs SLA (resin) printers, based on PreForm. Select your printer, profile, material and layer thickness, slice in the cloud and send the job straight to your connected Formlabs printer.

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Trusted by teams atKoenigseggDublin City University
Formlabs Slicer · bracket.stlTry it
Locked to: Form 4 · Lab 1
Printer
Material
Layer thickness
✓ Sliced and ready to printTry it on your printer →

Interactive illustration of the slicer settings. Real slicing happens in 3DPrinterOS Cloud.

PreForm
Dedicated slicing engine
SLA
Resin printing
4
Simple Mode settings
1
Connected printer per sliced file
Overview

What Is the Formlabs Slicer?

The Formlabs Slicer is the 3DPrinterOS cloud slicer for Formlabs SLA resin printers. It runs the PreForm engine in the cloud and uses four settings: printer, profile, material and layer thickness. Each sliced file is locked to the specific connected printer you selected.

Real screen recording: slicing a model in 3DPrinterOS Cloud
Step-by-Step

How to Slice a Model with the Formlabs Slicer

Click through the five steps. Each one shows what you will see in 3DPrinterOS.

Step 1 of 5

Upload Your Model

Add your STL file to the Files page in 3DPrinterOS. Your Formlabs printer needs to be connected first. If it is not, install your 3D printer.

Step 2 of 5

Click Slice and Choose the Formlabs Slicer

Click the Slice button next to the STL file and open the Formlabs Slicer. The slicers you see depend on your organization.

Step 3 of 5

Set the Four Simple Mode Settings

In Simple Mode, select:

  • Printer: the specific connected Formlabs printer the job will run on
  • Profile: the slicing profile to use
  • Material: the resin you are printing with
  • Layer Thickness: thinner layers give more detail, thicker layers print faster
The Expert tab is read-only. Your admin can also restrict settings to pre-defined profiles.
Step 4 of 5

Slice the Model

Click Slice. The sliced file appears in the corresponding project. Formlabs files show a model render rather than a layer-by-layer toolpath preview.

Step 5 of 5

Print on the Selected Printer

Find the sliced file on the Files page, click Print and send it to the Formlabs printer you selected when slicing.

Good to Know

Each Slice Is Locked to One Printer

  • Four settings: printer, profile, material, layer thickness
  • One printer per slice: files can't move to another machine
  • No virtual printers or AutoQueue for Formlabs jobs
  • Model render preview instead of a toolpath view
Team working next to an enclosed 3D printer
Find Your Slicer

Which 3D Printer Do You Have?

Pick your printer brand and we’ll show you the right 3DPrinterOS cloud slicer.

3DPrinterOS dashboard managing Bambu Lab, Prusa, Ultimaker and Formlabs printers in one lab
One dashboard for Bambu Lab, Prusa, Ultimaker, Formlabs and more.

Use Formlabs Slicer

A PreForm-based engine for Formlabs SLA resin printers, sliced per printer.

Customer Stories

Teams That Run Their Printers on 3DPrinterOS

Engineering teams, universities and print farms manage resin and FDM printers side by side in 3DPrinterOS.

Koenigsegg engineering team
This close collaboration has enabled Koenigsegg to tailor the platform to their specific needs, resulting in an optimized and user-friendly system for managing their 3D printers.
Tim BäckTeam Leader, Koenigsegg Automotive AB
173D printers in one platform
Read the Koenigsegg story →

Adding Formlabs printers to your fleet?

See profiles, permissions and print queues in a 30-minute walkthrough with our team.

Troubleshooting & FAQ

Common Formlabs Slicer Questions

What is the Formlabs Slicer in 3DPrinterOS?
The Formlabs Slicer is the 3DPrinterOS cloud slicer for Formlabs SLA resin printers. It runs the PreForm engine in the cloud and uses four settings: printer, profile, material and layer thickness. Each sliced file is locked to the specific connected printer you selected.
Can I send one Formlabs slice to a different printer?
No. The file is locked to the printer you selected when slicing, even if another printer is the same model. Slice the model again with the other printer selected.
Why is there no toolpath preview?
Formlabs files do not have a layer-by-layer toolpath preview in 3DPrinterOS. You see a render of the model instead.
Can Formlabs jobs go through AutoQueue or a virtual printer?
No. Because each slice is tied to one physical printer, it cannot be sent to a virtual printer or distributed by AutoQueue.
Can I change settings in the Expert tab?
No, the Expert tab is read-only. Use the Simple Mode settings: Printer, Profile, Material and Layer Thickness.
I get a generic “slicing error”
Failures before the actual slice starts show as a generic slicing error. A common cause is a model that already fills the whole build platform. Scale or reposition the model and slice again.

Slice Resin Prints from Any Browser

Connect your Formlabs printers to 3DPrinterOS and slice with the PreForm engine in the cloud. Running a lab with mixed FDM and SLA printers? Our team can help you set up profiles, permissions and queues.

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“This close collaboration has enabled Koenigsegg to tailor the platform to their specific needs, resulting in an optimized and user-friendly system for managing their 3D printers.”

Tim Back
Tim Bäck

Team Leader
Koenigsegg Automotive AB

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