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A metapost macro for drawing 3D molecular structures
Mol3d is a macro using metapost language (https://www.tug.org/metapost.html) for producing vectorgraphics of 3D molecular structures. It is based on the m3D macro developed by Anthony Phan (http://www-math.univ-poitiers.fr/~phan/m3Dplain.html).