Formlabs PreForm

Windows · Mac

Freedom report

Two barsScore 5.3

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

Formlabs PreForm is ranked #19 of 34 in 3D printing software on Freedom251. It runs on macOS, Windows. There is a free plan.

Formlabs PreForm plans and pricing

All plans

Free Free No licenses, annual fees, or installation limits · Formlabs SLA and SLS printers formlabs.com · 4 Oct 2026

Compared on 3D printing software

Free plan: Yes
Auto supports: Yes
Printer control: Yes
Print monitoring: No
Cloud slicing: Yes
Model repair: Yes

Best Formlabs PreForm alternatives

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The record

Purpose: PreForm prepares 3D prints automatically and uploads them to Formlabs SLA or SLS printers.
Workflow: Its automatic algorithms arrange print layout, orientation, and supports for users without specialized training.
Supports: Supports V2 uses touchpoints up to 50% smaller to help produce smoother surfaces and easier removal.
Print checks: PreForm provides validated print settings, real-time estimates, printability checks, and auto-recovery.
Custom settings: Users can customize print settings for Formlabs and certified third-party materials, including exposure, layer height, heating, and layer thickness.
SLS packing: Automatic 3D packing for Fuse Series SLS printers optimizes packing density and can lock model orientation and position.
CAD integration: The page lists native integrations with Rhino, SOLIDWORKS, Onshape, 3Shape, Fusion 360, and Netfabb, and says PreForm imports native CAD models including STEP and SolidWorks.
API: The Formlabs API supports CAD integrations, automated batch preparation, and printer status and progress monitoring through MES or other software.
Operating systems: The download page offers Windows 10 64-bit version 1809 or later and macOS 13 or later, with Apple Silicon and Intel Mac downloads.
Latest release: PreForm 3.63.1 was released September 25, 2026, with a new Fast Arch print setting and crash fixes.
Compatibility limit: The latest PreForm version compatible with Form 1+ is 2.20.0, released March 12, 2019.
Support resources: Formlabs provides PreForm setup, model design, print settings, upload, firmware, and troubleshooting support articles.
Company: Formlabs says it began in 2011, when three MIT graduate students built its first printer, and lists Boston, Massachusetts as its global headquarters.
Founded: 2011
Price from: Free

Where it ranks on Freedom251

Best 3D Printing Software in 2026#19 of 34
Best 3D Slicer Software in 2026#22 of 27

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Sources

formlabs.com/software/preform/· checked 4 Oct 2026
formlabs.com/support/PreForm-Release-Notes/· checked 4 Oct 2026
formlabs.com/global/support/software/preform-firmwar· checked 4 Oct 2026
formlabs.com/company/· checked 4 Oct 2026