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Manufacturing · head to head

Ignition vs OpenSCAD

Ignition logo

Ignition

Manufacturing

Industrial automation platform for SCADA, HMI and MES

From
On request
Rated
-
Full reviewWebsite
OpenSCAD logo

OpenSCAD

CAD

The programmers solid 3D CAD modeler

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only OpenSCAD has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ignition requires real engineering to implement; it is a platform rather than a finished application; OpenSCAD script-based workflow, not interactive design interface
  • They diverge on capability: Ignition covers Unlimited-client licensing, OpenSCAD covers Script-based modeling.

Where they differ

Only the attributes on which Ignition and OpenSCAD actually diverge.

Attributes where Ignition and OpenSCAD differ
AttributeIgnitionOpenSCAD
Starting priceOn requestFree
Pricing modelPer-server licensing with published module pricing; unlimited clients and tagsfree
Free tierNoYes
PlatformsWindows, Linux, macOS, WebWindows, macOS, Linux, WebAssembly
CategoryManufacturingCAD
FoundedUnknown2009

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 Ignition

  • Unlimited-client licensing
  • SCADA and HMI
  • Historian
  • MES modules
  • Web-based clients
  • Wide PLC support

Only in OpenSCAD

  • Script-based modeling
  • CSG operations
  • 2D to 3D extrusion
  • Parameterization
  • STL export
  • Preview
  • 3D printers
  • Slicers

What people use each for

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

Ignition

  • Plants where per-tag licensing has made expansion a budget conversationnot OpenSCAD
  • Replacing installed operator terminals with browser-based clientsnot OpenSCAD
  • Connecting plant floor data to SQL and business systemsnot OpenSCAD

OpenSCAD

  • Parametric 3D design for manufacturing and 3D printingnot Ignition
  • Technical design with scripted control over geometrynot Ignition
  • Procedural model generationnot Ignition

Where each one falls short

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

Ignition

  • Requires real engineering to implement; it is a platform rather than a finished application
  • Steep learning curve, and Inductive Automation runs its own training programme because of it
  • Self-hosted and self-supported by default, so plant IT carries the availability burden
  • Module-based pricing means the entry figure is rarely the final one

OpenSCAD

  • Script-based workflow, not interactive design interface
  • Limited to constructive solid geometry and 2D extrusion modelling
  • Not suitable for artistic 3D modelling or computer animation
  • Complex build dependencies (Qt, CGAL, Boost)

Pricing, plan by plan

Ignition

On request

No published plan breakdown. See the Ignition review.

OpenSCAD

Free

No published plan breakdown. See the OpenSCAD review.

Which should you pick?

Choose Ignition if

  • You need unlimited-client licensing.
  • You work on Windows, Linux, macOS, Web.
  • You also want scada and hmi.
Ignition review

Choose OpenSCAD if

  • You need script-based modeling.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, WebAssembly.
  • You also want csg operations.
OpenSCAD review

Questions people ask

Is Ignition or OpenSCAD better?
Neither clearly leads. Ignition starts at On request and OpenSCAD at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ignition or OpenSCAD?
OpenSCAD has a free tier; the other does not. Paid plans start at On request for Ignition and Free for OpenSCAD.
Does Ignition or OpenSCAD run on more platforms?
Ignition runs on Windows, Linux, macOS, Web. OpenSCAD runs on Windows, macOS, Linux, WebAssembly.
Can I use OpenSCAD for free?
Yes. OpenSCAD has a free tier, so you can try it without paying. Ignition starts at On request.
What is Ignition best used for?
Ignition is most often used for plants where per-tag licensing has made expansion a budget conversation, replacing installed operator terminals with browser-based clients, connecting plant floor data to sql and business systems. Of those, plants where per-tag licensing has made expansion a budget conversation and replacing installed operator terminals with browser-based clients are not what OpenSCAD is typically brought in for.
What can Ignition do that OpenSCAD cannot?
Ignition covers Unlimited-client licensing, SCADA and HMI, Historian, MES modules. OpenSCAD covers Script-based modeling, CSG operations, 2D to 3D extrusion, Parameterization.

Answered from the vendors’ own pages

Ignition: What does Ignition cost?

It publishes per-server module pricing with unlimited clients, tags and connections, so cost does not scale with how many people use it.

OpenSCAD: What is the cost of OpenSCAD?

OpenSCAD is free software with no licensing fees, subscriptions, or costs of any kind. The software is available as open-source with no restrictions on commercial or non-commercial use.

Source
Ignition: Why does unlimited-client licensing matter?

Traditional SCADA is licensed per tag or per screen, which turns adding an operator terminal into a purchase. Ignition removes that ceiling.

Ignition: Is it a finished application?

No, it is a platform. Screens, tags and logic are built for the specific plant, which is real engineering work.

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