Re: binary STL format

From: Marshall Burns (
Date: Wed Feb 24 1999 - 22:29:18 EET

>I write a software, wich should be capable to read and alter STL files. At
>the moment it can read only the ASCII STL, but that is slow and painfull.
>Could anyone give me a detailed description of the data structure of the
>binary STL format? I would try to recreate the appropriate format.

Dear Karoly,

    Since a request like this appears fairly frequently, I have uploaded the
StL format specifications for both ASCII and binary to the Ennex Web site.
Please visit for all you ever wanted to
know about StL.

    Good luck in your software development work. Please keep us posted on
your progress.

Marshall Burns, President
Ennex(TM) Corporation
Fabbing the Future(TM)
10911 Weyburn Avenue, Suite 332, Los Angeles, U.S.A. 90024
Phone: +1 (310) 824-8700. Fax: +1 (310) 824-5185
E-mail: Web site:
***** Copyright (c) 1998, Ennex Corporation

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