nTopology 5 now called nTop Computational Design & Engineering Software for Windows - Professional CAD, BIM and 3D Design Software with Perpetual License

nTop 5 is a major release of the nTop (formerly nTopology) computational design and engineering software platform, built on an advanced implicit modeling kernel.
Unlike traditional computer-aided design (CAD) programs that rely on boundary representations (surfaces and sketches), nTop uses implicit modeling—mathematical functions and equations—to define complex solid shapes. This allows engineers to design intricate structures, such as lightweight lattices and advanced heat exchangers, that are impossible or too slow to build in standard CAD tools.
nTop's unbreakable parametric models let you explore hundreds of design variants systematically—with manufacturing constraints, performance requirements, and analysis built in.
Product development timelines are shrinking. Performance demands are rising. Yet most teams still rely on brittle tools that force early design lock-in before tradeoffs are explored or risks understood. With nTop, you can generate, explore, and validate geometry automatically, insightfully, and without fragility to meet mission requirements.

Whether in early research, iterative development, or production optimization, nTop accelerates engineering workflows at every stage
nTop accelerates iteration and empowers high-confidence decisions across every design phase. Here’s how leading teams apply it:
Logic-driven modeling means no crashes, rebuilds, or rework. Make changes instantly, even to complex models, and explore 10x more options without debugging.

With embedded FEA and CFD in the loop, you get physics insight as you build, reducing trial and error and surfacing risks before they cost you.

Capture engineering intent once and reuse it across variants, missions, and programs. What used to be tribal knowledge becomes shareable, adaptable design code.


nTop lets you explore more design variants, faster, and pick the top performer with confidence.
Talk directly with an engineer to see what’s possible.
nTop enables engineers and designers to create any geometry — no matter how complex. Our software is used from research through production to create breakthrough processes and products for the aerospace, automotive, medical, and consumer industries. Our customers depend on nTop's generative design capabilities to take full advantage of new hardware, optimize parts where performance is critical, overcome design bottlenecks, and augment their traditional engineering software stack.
Key Features and Capabilities
Common Applications
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