Re: [rp-ml] algorithm&implementation for STL slicing

From: Adrian Bowyer <>
Date: Fri Aug 18 2006 - 14:15:06 EEST

Quoting Cristina Kadar <>:

> During my online searches I came across this mailing list dedicated
> to RP and it seems a good place to put some questions.
> My name is Cristina Kadar, I am a student of Computer Engineering,
> currently doing an internship in a research institute in Germany.
> They are specialised in laser technologies and in one lab they need
> a software which takes as input an STL file and produces as output
> the 2D pass for the laser beam. My job would be to develop an
> algorithm and implement it (in Visual Basic) for the slicing of the
> 3D objects into the 2D closed surfaces.
> I found some articles in the Rapid Prototyping Journal (e.g.
> by Choi & Kwok; Vogt, Bertsch, Renaud & Bernhard; Tata, Fadel,
> Bagchi & Aziz), but to be onest they are a bit too high level,
> abstract and deal with the some special problems (like adaptive
> slicing) that I don’t need. I am looking for a basic algorithm/
> implementation. Maybe there are some open-source applications
> already?
> It would be great if somebody could point some directions
> for me: online sources, books, something that could guide me in the
> first steps.

The Java source code for the RepRap project has an STL slicer in (and
also a reasonably versatile area-fill algorithm). However, it is still
_very_ pre-release and under development. But it is fully GPLed and

Go to:

and check the

section of the code out of the subversion SourceForge repository.

For details of the rest of the project, start at the second URL below.


Received on Fri Aug 18 13:31:19 2006

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