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Manufacturing · head to head

Autodesk Netfabb vs PrusaSlicer

Autodesk Netfabb logo

Autodesk Netfabb

Manufacturing

Additive manufacturing build preparation and simulation, now sold only bundled with Fusion

From
$4415/year
Rated
-
Full reviewWebsite
PrusaSlicer logo

PrusaSlicer

CAD

Feature-rich 3D printing slicer

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only PrusaSlicer has a free tier, so it costs nothing to try first.
  • Each has a real cost: Autodesk Netfabb netfabb Ultimate has been retired outright, with no 2026 release and no renewals, so anyone who bought Ultimate is frozen on the 2025.1 build and must accept the repackaged Netfabb instead.; PrusaSlicer limited to slicing workflow only; no interactive 3D design capabilities
  • They diverge on capability: Autodesk Netfabb covers Mesh repair, PrusaSlicer covers Automatic supports.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Autodesk Netfabb and PrusaSlicer actually diverge.

Attributes where Autodesk Netfabb and PrusaSlicer differ
AttributeAutodesk NetfabbPrusaSlicer
Starting price$4415/yearFree
Pricing modelPer user per yearfree
Free tierNoYes
PlatformsWindows, DesktopWindows, macOS, Linux
CategoryManufacturingCAD
FoundedUnknown2012

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Autodesk Netfabb

  • Mesh repair
  • Build orientation and nesting
  • Support generation
  • Build simulation
  • Geometry compensation
  • Lattice and shell structures
  • Machine library
  • Fusion bundle

Only in PrusaSlicer

  • Automatic supports
  • Multi-material
  • Variable layer height
  • Custom G-code
  • Paint-on supports
  • Ironing
  • Prusa printers
  • Most FDM printers

What people use each for

The jobs each tool is most often brought in to do.

Autodesk Netfabb

  • A metal additive bureau predicting distortion on a laser powder bed build before committing twenty hours of machine timenot PrusaSlicer
  • An aerospace supplier applying automatic geometry compensation so printed parts land within tolerance without iterative trial buildsnot PrusaSlicer
  • A production department nesting hundreds of small parts into a single polymer build to raise volume utilisationnot PrusaSlicer
  • An engineering team that already subscribes to Fusion and wants AM preparation without adding a second vendornot PrusaSlicer

PrusaSlicer

  • Preparation of STL models for 3D printingnot Autodesk Netfabb
  • Multi-material printing preparationnot Autodesk Netfabb
  • G-code generation and customisation via macrosnot Autodesk Netfabb

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Autodesk Netfabb

  • Netfabb Ultimate has been retired outright, with no 2026 release and no renewals, so anyone who bought Ultimate is frozen on the 2025.1 build and must accept the repackaged Netfabb instead.
  • Autodesk has ended development of the Selective Space Structures, Optimization Utility and Lattice Topology utilities, which removes capability some customers specifically bought the product for.
  • It is now only sold bundled as Autodesk Fusion with Netfabb, so a shop that has standardised on other CAD pays for Fusion entitlements it will not use.
  • At around 4,415 US dollars per seat per year it is far above slicer-class tools, and the pricing is per named user with no floating option in the standard subscription, which hurts teams where the AM engineer role is shared.
  • Machine coverage is broad but not universal, and the newest printers from smaller manufacturers often reach their vendor own preparation software long before a Netfabb profile appears.

PrusaSlicer

  • Limited to slicing workflow only; no interactive 3D design capabilities
  • Designed for RepRap-based printers; compatibility with other printer architectures varies

Pricing, plan by plan

Autodesk Netfabb

$4415/year
  • Autodesk Fusion with Netfabb$4415/year
    • Single-user subscription
    • Netfabb build preparation, formerly Premium
    • Selected functionality from the retired Ultimate edition
  • Netfabb Simulation$undefined/year
    • Metal powder bed build simulation
    • Quoted through Autodesk sales, no published price

PrusaSlicer

Free

No published plan breakdown. See the PrusaSlicer review.

Which should you pick?

Choose Autodesk Netfabb if

  • You need mesh repair.
  • You work on Windows, Desktop.
  • You also want build orientation and nesting.
Autodesk Netfabb review

Choose PrusaSlicer if

  • You need automatic supports.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want multi-material.
PrusaSlicer review

Questions people ask

Is Autodesk Netfabb or PrusaSlicer better?
Neither clearly leads. Autodesk Netfabb starts at $4415/year and PrusaSlicer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Autodesk Netfabb or PrusaSlicer?
PrusaSlicer has a free tier; the other does not. Paid plans start at $4415/year for Autodesk Netfabb and Free for PrusaSlicer.
Does Autodesk Netfabb or PrusaSlicer run on more platforms?
Autodesk Netfabb runs on Windows, Desktop. PrusaSlicer runs on Windows, macOS, Linux.
Can I use PrusaSlicer for free?
Yes. PrusaSlicer has a free tier, so you can try it without paying. Autodesk Netfabb starts at $4415/year.
What is Autodesk Netfabb best used for?
Autodesk Netfabb is most often used for a metal additive bureau predicting distortion on a laser powder bed build before committing twenty hours of machine time, an aerospace supplier applying automatic geometry compensation so printed parts land within tolerance without iterative trial builds, a production department nesting hundreds of small parts into a single polymer build to raise volume utilisation, an engineering team that already subscribes to fusion and wants am preparation without adding a second vendor. Of those, a metal additive bureau predicting distortion on a laser powder bed build before committing twenty hours of machine time and an aerospace supplier applying automatic geometry compensation so printed parts land within tolerance without iterative trial builds are not what PrusaSlicer is typically brought in for.
What can Autodesk Netfabb do that PrusaSlicer cannot?
Autodesk Netfabb covers Mesh repair, Build orientation and nesting, Support generation, Build simulation. PrusaSlicer covers Automatic supports, Multi-material, Variable layer height, Custom G-code.

Answered from the vendors’ own pages

Autodesk Netfabb: Is Netfabb discontinued?

No, but Netfabb Ultimate is. There is a 2026 release of Netfabb, sold only as Autodesk Fusion with Netfabb. Ultimate licences cannot be renewed.

PrusaSlicer: How much does PrusaSlicer cost?

PrusaSlicer is completely free and open-source software developed by Prusa Research.

Source
Autodesk Netfabb: What does it cost?

The Fusion with Netfabb single-user subscription is listed at roughly 4,415 US dollars a year. Netfabb Simulation is quoted separately.

Autodesk Netfabb: Is there a perpetual licence?

No. Autodesk sells subscription only across its product range.

Autodesk Netfabb: Do I need Fusion to use it?

You do not have to use Fusion, but you now pay for it, because the bundle is the only way Netfabb is sold.

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