nTop
nTop: A specialized engineering CAD platform for lattices, optimization, and simulation. Ranked #40 of 80 in 3D CAD Software by our editors (5.4/10); pricing: Pricing on request; best for implicit modeling, lattices, and optimization.
At a glance
- Editor score5.4 / 10
- PricingPricing on request
- Best forImplicit modeling, lattices, and optimization
- Assembly designYes
- Founded2015 · New York City, United States
- Facts checked19 Sep 2026

Where it wins
- Combines implicit and parametric workflows with topology optimization.
- Includes structural, thermal, and CFD simulation.
- Supports broad CAD, mesh, CAE, and manufacturing data exchange.
Where it doesn't
- Pricing is available through contact with sales.
- nTop Automate on Linux is limited to Red Hat Enterprise Linux 8.9.
- Sheet-metal tools and cloud collaboration are not part of the verified product scope.
Our verdict on nTop
Engineering teams working with complex geometry may find nTop’s focus useful: it combines implicit and parametric modeling for aerospace, automotive, energy, motorsports, medical, and other advanced-manufacturing work. Its workflows cover lattice structures and topology-optimized forms, alongside surface and volume operations such as lofting, sweeping, shelling, and thickening. Assembly import preserves hierarchy, making the product relevant to teams handling existing CAD assemblies as well as new designs.
The standout scope is the connection between geometry generation, optimization, and simulation. Users can define topology-optimization objectives and constraints, work with volume and surface lattices, and access integrated structural, thermal, and CFD simulation. nTop Automate supports programmatic workflow automation. Interoperability extends across CAD, mesh, CAE, lattice, point-data, voxel, and slicing formats, with named integrations including Ansys, SimScale, Materialise, EOS, NVIDIA, and Autodesk Fusion. This breadth suits engineering workflows that span design and manufacturing data exchange, rather than teams seeking a narrowly focused drafting tool.
Platform and purchasing requirements deserve attention before evaluation. The desktop application is primarily for Windows, while the supported Linux deployment is Red Hat Enterprise Linux 8.9 for nTop Automate. The pricing model is contact sales, and the vendor directs prospective customers to request a demo. Teams should expect to discuss fit and cost with sales rather than select a published recurring plan. nTop is a stronger candidate for advanced-manufacturing groups that need implicit geometry, optimization, and simulation in connected workflows; those looking for verified sheet-metal-specific tools or cloud collaboration should compare alternatives.
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nTop pricing
nTop fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Modeling method | Parametric |
| Assembly design | Yes |
| Sheet-metal tools | Not verified |
| Surface modeling | Yes |
| Cloud collaboration | Not verified |
| Supported platforms | Windows 11; Red Hat Enterprise Linux 8.9 for nTop Automate |
| File import and export | CAD: STEP, Parasolid, CATIA V5, Creo, Inventor, Siemens NX, SolidWorks, ACIS; mesh: STL, OBJ, PLY, 3MF, OFF; CAE: Abaqus, ANSYS, LS-DYNA, Nastran, Patran, CGNS, UNV; other: implicit, LTXC, CSV, VDB, PNG, CLI and manufacturing slice formats |
| Deployment | Desktop |
| Platforms | Windows, Linux |
| Integrations | 12 integrations: Ansys, SimScale, Intact.Simulation, PhysicsX, Luminary Cloud, Neural Concept … |
| Pricing | Pricing on request |
| Website | ntop.com |
| Facts checked | 19 Sep 2026 |
nTop integrations
nTop lists 12 integrations on its own site.
- Ansys
- SimScale
- Intact.Simulation
- PhysicsX
- Luminary Cloud
- Neural Concept
- Flexcompute
- ESTECO
- Materialise
- EOS
- NVIDIA
- Autodesk Fusion
Alternatives to nTop
- Siemens NXDeep hybrid CAD with Teamcenter integration for large engineering organizations.9.4
- CATIAA deep engineering suite for complex products, with enterprise pricing to match.9.3
- SOLIDWORKSFull mechanical CAD with broad design, manufacturing, simulation, and collaboration tools.9.2
Also Ranked In
nTop is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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