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OpenSCAD

Over the last couple of month, people have been working on extending to finally support color for the rendered 3D meshes. not just in preview.

The base of all this is the new geometry engine Manifold, so this needs to be selected in Preferences.

There is still a lot of work to do, but now it's possible to export/import colored model via 3MF. OFF can handle colors a bit longer already.

Screenshot exporting a file called CSG-modules.3mf as shown in the file selection dialog. In the background the colored 3D model of the example "CSG modules" is open showing the scad source code with very small font and the model explaining union/intersection and difference using green for the unioned cylinder, red and blue for the intersected cube and sphere. Between the different parts are thin black cylinders visualizing the tree nature of the operations.
Screenshot of OpenSCAD with just a single line in the editor importing a file called "CSG-modules.3mf". The result shown in the 3D view is the colored display of that model from the examples looking exactly the same as when it's generated from the example source code, including all the colors.
#3dprinting
Jan 01, 2025, 02:33 PM·Public
11boosts·27favorites
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OpenSCAD

3MF NOTE: The export uses spec conform material definitions, unfortunately some (all?) slicers use custom extensions for colors that OpenSCAD is not able to use.

More on that topic soon...

Public
TOV

@OpenSCAD I am looking forward to using color in the renderer and exporting color for use in other applications. Much anticipated feature.

Public
Rob Nee

@OpenSCAD This is exciting! Just a thought, shouldn't these posts be cross-posted to the News section of the OpenSCAD.org website? Thanks!

Quiet public
OpenSCAD

@robnee Yes, that would be good, but as long as it's a one person manual effort, the are limitations on what's possible.

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