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CAD · head to head

DraftSight vs nTop

DraftSight logo

DraftSight

CAD

Professional 2D CAD drafting

From
$29/month
Rated
-
Full reviewWebsite
nTop logo

nTop

CAD

Implicit computational design for lattices, heat exchangers and topology-driven parts

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: DraftSight specific pricing amounts not disclosed on website; nTop nTop is a specialist tool that sits alongside mainstream CAD rather than replacing it, so you pay for an extra seat and accept a handoff between two geometry systems.
  • They diverge on capability: DraftSight covers DWG/DXF support, nTop covers Implicit modelling.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which DraftSight and nTop actually diverge.

Attributes where DraftSight and nTop differ
AttributeDraftSightnTop
Starting price$29/monthOn request
Pricing modelsubscriptionquote
PlatformsWindows, MacOS, LinuxWindows, Cloud
Founded1981Unknown

Identical on both: free tier (No), user rating (Not yet rated), category (CAD).

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 DraftSight

  • DWG/DXF support
  • 2D drafting
  • 3D modeling
  • Batch printing
  • PDF import
  • Layer management
  • SolidWorks
  • CATIA

Only in nTop

  • Implicit modelling
  • Lattice and cellular structures
  • Field-driven design
  • Integrated simulation
  • Reusable workflows
  • Topology optimisation
  • CAD and AM interoperability

What people use each for

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

DraftSight

  • 2D drafting and annotation on DWG filesnot nTop
  • Opening and editing DWG drawings without AutoCADnot nTop
  • Architectural and engineering drawing productionnot nTop
  • Working alongside SOLIDWORKS in a Dassault toolchainnot nTop

nTop

  • Designing a variable-density lattice bracket where mass must drop without losing stiffness in the loaded regionsnot DraftSight
  • Generating a heat exchanger with thousands of internal channels that a conventional CAD kernel cannot representnot DraftSight
  • Producing patient-specific implant geometry with porous surfaces at scale rather than one at a timenot DraftSight
  • Automating a family of parts as a reusable design workflow that reruns when the load case changesnot DraftSight

Where each one falls short

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

DraftSight

  • Specific pricing amounts not disclosed on website
  • Directs customers to contact sales or visit store for pricing
  • Three tiers available but feature differences not fully detailed

nTop

  • nTop is a specialist tool that sits alongside mainstream CAD rather than replacing it, so you pay for an extra seat and accept a handoff between two geometry systems.
  • Implicit modelling requires a different way of thinking from feature-based CAD, and the retraining period is long enough that unused licences are a common and expensive outcome.
  • No pricing is published and there is no free or hobbyist tier, so evaluation runs through a sales process and small teams cannot try it seriously without engaging.
  • Subscription only, with no perpetual licence, means the geometry logic you built stops being editable the day you stop paying, which is a real risk for long-lifecycle aerospace and medical programmes.
  • The output is most valuable when you have additive manufacturing capacity to make it; organisations without machines that can print the geometry end up designing parts nobody can produce.

Pricing, plan by plan

DraftSight

$29/month
  • Standard$99/month
    • 2D drafting
  • Professional$199/month
    • 2D + 3D
  • Premium$499/month
    • Advanced features

nTop

On request
  • nTop$undefined/year
    • Annual named or floating seat subscription
    • No perpetual licence offered
    • Capability tiers quoted by use case

Which should you pick?

Choose DraftSight if

  • You need dwg/dxf support.
  • You work on Windows, MacOS, Linux.
  • You also want 2d drafting.
DraftSight review

Choose nTop if

  • You need implicit modelling.
  • You work on Windows, Cloud.
  • You also want lattice and cellular structures.
nTop review

Questions people ask

Is DraftSight or nTop better?
Neither clearly leads. DraftSight starts at $29/month and nTop at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, DraftSight or nTop?
DraftSight starts at $29/month and nTop at On request.
Does DraftSight or nTop run on more platforms?
DraftSight runs on Windows, MacOS, Linux. nTop runs on Windows, Cloud.
What is DraftSight best used for?
DraftSight is most often used for 2d drafting and annotation on dwg files, opening and editing dwg drawings without autocad, architectural and engineering drawing production, working alongside solidworks in a dassault toolchain. Of those, 2d drafting and annotation on dwg files and opening and editing dwg drawings without autocad are not what nTop is typically brought in for.
What can DraftSight do that nTop cannot?
DraftSight covers DWG/DXF support, 2D drafting, 3D modeling, Batch printing. nTop covers Implicit modelling, Lattice and cellular structures, Field-driven design, Integrated simulation.

Answered from the vendors’ own pages

DraftSight: Is there a free trial for DraftSight?

Yes, DraftSight offers a 30-day full-featured trial available for download. The trial provides complete access to all 2D/3D tools and advanced features.

Source
nTop: Is nTop the same company as nTopology?

Yes. nTopology rebranded to nTop. The product is the same lineage.

DraftSight: What DraftSight tiers are available?

DraftSight offers three pricing tiers: Professional (core 2D CAD tools), Premium (adds advanced tools, STEP import, and BIM module), and Enterprise (for large organizations with multiple sites).

Source
nTop: Does it replace SolidWorks or NX?

No. It is used alongside them. Mainstream CAD handles the conventional geometry and assembly; nTop handles the lattice, field-driven and complex internal structure work.

DraftSight: What licensing options does DraftSight provide?

DraftSight offers Named-User Licensing for individuals and dedicated workstations, Network Licensing for shared access across users and locations, Perpetual Licensing for one-time purchase, and Cloud and Remote Access options.

Source
nTop: Is there a free version?

No free commercial tier is published. Access runs through a demo and sales process, with academic programmes handled separately.

nTop: Can I buy a perpetual licence?

No. It is sold as an annual subscription, so budget it as recurring cost across the life of the programme.

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