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Maps · head to head

Lonboard vs OpenSCAD

Lonboard logo

Lonboard

Maps

Python map rendering in Jupyter that skips GeoJSON and moves millions of features without choking

From
Free
Rated
-
Full reviewWebsite
OpenSCAD logo

OpenSCAD

CAD

The programmers solid 3D CAD modeler

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lonboard it is a notebook visualisation library, not a mapping application, so there is no editing, no layout, no map export for print and no sharing beyond distributing the notebook or an HTML file; OpenSCAD script-based workflow, not interactive design interface
  • They diverge on capability: Lonboard covers GeoArrow binary transfer, OpenSCAD covers Script-based modeling.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Lonboard and OpenSCAD actually diverge.

Attributes where Lonboard and OpenSCAD differ
AttributeLonboardOpenSCAD
Pricing modelOpen source, no licence feefree
PlatformsLinux, macOS, WindowsWindows, macOS, Linux, WebAssembly
CategoryMapsCAD
FoundedUnknown2009

Identical on both: starting price (Free), free tier (Yes), 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 Lonboard

  • GeoArrow binary transfer
  • GeoPandas input
  • deck.gl layers
  • Jupyter widget
  • Large dataset handling
  • Styling by attribute
  • Open source licence

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.

Lonboard

  • An analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that sizenot OpenSCAD
  • A researcher publishing a reproducible analysis where the visualisation must run from the same script as the processingnot OpenSCAD
  • A data scientist joining spatial data to model outputs in pandas and needing to see the result immediately without exporting to a GISnot OpenSCAD
  • A team building an internal analysis pipeline on GeoParquet that wants rendering without a serialisation step in the middlenot OpenSCAD

OpenSCAD

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

Where each one falls short

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

Lonboard

  • It is a notebook visualisation library, not a mapping application, so there is no editing, no layout, no map export for print and no sharing beyond distributing the notebook or an HTML file
  • Maintenance sits with Development Seed as an open source side output of a consultancy, so roadmap priorities follow client projects and there is no support contract to buy
  • Layer coverage is a subset of deck.gl, so an analyst needing a less common layer type has to drop to pydeck or write JavaScript rather than staying in Python
  • It expects data already in GeoPandas or Arrow form, which means the performance benefit depends on the rest of your pipeline being Arrow-friendly; reading a large Shapefile is still the slow step
  • Rendering happens in the browser, so very large datasets are ultimately limited by the client machine's memory and GPU rather than by the server, and a laptop will still fail on data a workstation handles

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

Lonboard

Free
  • LonboardFree
    • Open source, no licence fee
    • No usage limits
    • Installed from PyPI or conda

OpenSCAD

Free

No published plan breakdown. See the OpenSCAD review.

Which should you pick?

Choose Lonboard if

  • You need geoarrow binary transfer.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want geopandas input.
Lonboard 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 Lonboard or OpenSCAD better?
Neither clearly leads. Lonboard starts at Free and OpenSCAD at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lonboard or OpenSCAD?
Lonboard starts at Free and OpenSCAD at Free.
Does Lonboard or OpenSCAD run on more platforms?
Lonboard runs on Linux, macOS, Windows. OpenSCAD runs on Windows, macOS, Linux, WebAssembly.
Can I use Lonboard for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lonboard best used for?
Lonboard is most often used for an analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that size, a researcher publishing a reproducible analysis where the visualisation must run from the same script as the processing, a data scientist joining spatial data to model outputs in pandas and needing to see the result immediately without exporting to a gis, a team building an internal analysis pipeline on geoparquet that wants rendering without a serialisation step in the middle. Of those, an analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that size and a researcher publishing a reproducible analysis where the visualisation must run from the same script as the processing are not what OpenSCAD is typically brought in for.
What can Lonboard do that OpenSCAD cannot?
Lonboard covers GeoArrow binary transfer, GeoPandas input, deck.gl layers, Jupyter widget. OpenSCAD covers Script-based modeling, CSG operations, 2D to 3D extrusion, Parameterization.

Answered from the vendors’ own pages

Lonboard: Why not just use pydeck?

pydeck serialises geometry to GeoJSON to reach the browser. Lonboard uses a binary GeoArrow pipeline, which is the reason it handles far larger datasets in the same notebook.

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
Lonboard: Who maintains it?

Development Seed, a geospatial engineering consultancy, as an open source project. There is no commercial support offering.

Lonboard: Does it work outside Jupyter?

It is built as a Jupyter widget. Exporting to standalone HTML is possible, but the intended environment is a notebook.

Lonboard: Is it free for commercial use?

Yes, it is open source with no licence fee.

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