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Design software for where manufacturing is going, not where it’s been.

Why use nTop for product design?

nTop enables you to solve complex engineering problems for additive manufacturing.


Receive real-time feedback and 10x to 100x performance increase because complex modeling operations that take minutes in other software become instantaneous in nTop.


Create intricate geometries that wouldn’t be possible in CAD by leveraging our implicit modeling technology.


Have confidence your designs won’t break while you’re creating them or when you export them back into your existing workflow.

Get your hands on the most powerful design for additive manufacturing (DfAM) software around

nTop gives you access to a unique set of technologies that allow you to transform the way you design, refine, and scale product development.


Create unbreakable geometries with our implicit modeling engine. Since every solid body is described as a single mathematical equation, you can adjust and iterate on your designs instantly.

optimization process


Optimize data in real-time with field-driven design, which gives you the ability to adjust your designs instantly based on test and simulation data. Use our best-in-class topology optimization tools to make your designs more efficient.


Create reusable workflows to automate repetitive tasks, batch process product families, create custom tooling and fixtures, and generate geometries during iterative simulation-driven design. Tie nTop into your digital thread with easy PLM integration.

Software built on transformative technology

Design technology that will not break.

Remove design limitations and overcome fundamental challenges with our unique modeling engine.

Your data goes in; optimized designs come out.

Feed your design workflows with real-world data, physics, and logic to harness the power of implicit modeling.

Build processes, not just parts.

Create reusable workflows and algorithmic processes that save you time and empower your team to scale.

Easy in. Easy out.

Seamlessly import and export data within your existing workflows.


Upload CAD files and other engineering data.

STEP (.step), Parasolid (.x_t and .x_b), CATIA (.CATPart, CATProduct), Solidworks (.sldprt, .sldasm), Creo (.prt, .asm), NX (.prt), Inventor (.ipt, .iam), ACIS (.sat,.sab)

STL (.stl), OBJ (.obj), Polygon File Format (.ply), 3D Manufacturing Format (.3mf)

Abaqus(*.inp), ANSYS (.cdb, .msh, .rst, .rth, .cas, .dat), LS-DYNA (.k) NASTRAN (.bdf, .op2), Patran(.pat), CGNS, (.cgns), Universal File Format (.unv), Topology Optimization Result (.op2)

Common Layer Interface (.cli)

Bitmap (.png), Point Data (.csv), Vector and Scalar Point Maps (.csv), Voxel Grid (.vdb)


Create high-performance geometries.

Lattice Structures
Volume and surface lattices. Graph, TPMS, and custom unit cells. Stochastic structures. Rib grids.

Topology Optimization
Multi-objective and multi-constrain optimization. Automated post-processing.

Advanced Modeling
Variable shelling and offsets. Fillets and smoothening. Boolean operations.

Design Analysis
Built-in structural and thermal FEA. Import, conversion, and exchange utilities.

Build Preparation
Part orientation. Support structure generation.


Convert to the format you need.

STEP (.step), Parasolid (.x_t and .x_b), IGES (.iges)

STL (.stl), OBJ (.obj), Polygon File Format (.ply), 3D Manufacturing Format (.3mf)

Abaqus (.inp), ANSYS (.cdb), Nastran (.bdf), LS-Dyna (.k), Universal (.unv), Patran (.pat), Fluent (.msh)

Common Layer Interface (.cli), Common Layer File (.clf), Renishaw Point Data (.csv), Renishaw CLI (.cli), Arcam ABF (.abf), Stratasys Layer (.ssl), EOS CLI (.cli), BW image stacks (.png), 3D Systems (.slc), ConceptLaser Slice v4 (.cls)

nTop Implicit File (.implicit), Point Data (.csv), Vector and Scalar Point Maps (.csv), Voxel Grid (.vdb)


Integrate with your existing software stack.

nTop Automate
Using nTop Automate, you can write custom code to execute nTop workflows through a programmatic environment.

Leverage reference integrations and the nTop PLM connector to integrate nTop into your system.

Integrate with popular multidisciplinary design optimization platforms, including ModeFrontier, ModelCenter, and ProcesComposer.

Driving innovation

For Fortune 100 companies, scrappy startups, and everyone in between.

Ready to join the future of product design?

nTop Automate

Multiply the impact of your engineers with nTop Automate.

You only need minimal programming skills to get the benefits of nTop Automate

Batch processing

  • Eliminate repetitive tasks from your workflows.
  • Automatically generate product families.
  • Offload heavy computations to a server.

Design exploration

  • Generate and evaluate more designs.
  • Set up Design of Experiments (DoE) to identify high-performing designs.
  • Integrate with CAD, CAE, or MDO tools.

Mass customization

  • Automate personalized designs using scripts.
  • Create design processes that won’t break.
  • Combine inputs from many data sources.

Case study

LightForce brings to market fully-custom dental braces

LightForce Orthodontics used the design automation capabilities of nTop to reduce dental brace design time by 60-fold. Their patient-specific braces result in 33% faster installation and better patient outcomes.

Want to take your nTop experience to the next level with nTop Automate?