Since RP system was invented, STL file has been widely used as data exchange file.

自从快速成型系统出现以来，一直沿用STL文件进行切片数据处理。

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An effective triangle -meshing algorithm of sections based on STL file form at is set up.

根据STL文件的特点，建立了一个有效的截面三角剖分算法。

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But STL file has lots of disadvantages, such as error, limited precision, and large data volume.

但是STL文件错误较多，精度较低，数据量也较大。

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It's just a matter of going to MakerBot's Thingiverse site, finding something you like, downloading it as an .stl file and opening it up in the ReplicatorG software.

ENGADGET: MakerBot Replicator impressions: the dawning of 3D printers in every home?