Converting STL

From: Terry T. Wohlers (
Date: Thu Jul 24 1997 - 18:54:53 EEST

Leonel Graša wrote:

> I can not understand why there is a need to convert or machine on STL
> files. My understanding of STL was, that STL were final OUTPUT files,
> with facets sliced layer by layer for RP. That should mean that you
> loose a lot of part definition. Still, people talk about converting STL
> back to IGES or other.

> Could someone clear what I am missing here? Thanks

Some software modeling products use polygonal mesh formats to describe
objects. It's easy, almost trivial, to output an STL file from this model
data. Also, laser digitizing systems typically create polygonal mesh model
data, making it easy to output STL file data.

I hope this answers your question.

Terry Wohlers
Wohlers Associates, Inc.

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