From: Delft Spline Systems (
Date: Wed Oct 10 2001 - 14:43:51 EEST

Dear Yasuo,

The "Stereo Lithography Interface Specification" as published by
3D Systems in Oct 1989 mentions:

"... These triangle files are also called "STL" for StereoLithography files
and they are typically given the file extension of .STL ..."

Best Regards,

Lex Lennings.

At 10/10/2001, Yasuo UEDA wrote:
>Does anyone know the formal name of "STL"?
>STereoLithography file/format ?
>Stereo-lithography Tessellation Language ?
>Stadard Triangulation Language?

Delft Spline Systems, The Netherlands.
We offer DeskProto: affordable Rapid Prototyping using CNC milling. --- website:

For more information about the rp-ml, see

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