Tetgen 可以用来产生四面体网并且遵守格德洛内规则，四面体网格对有限元和有限体积法是非常有用的。这个算法在当前研究领域具有领先水平。(TetGen (version 1.5.0, released on November 4, 2013) is available as a .zip file (267k) or as a .tar.gz file (266k). The downloaded package includes the C++ source code of TetGen, a README file, a LINCESE file, a makefile for compling, and an example file for testing.)