It's great to see an automated method for this, even if it still needs to be reviewed by an expert. Back on the 2011-2014 era I was on a team which helped make materials available for a chemistry grad student. I wasn't aware of the standards book, but followed more or less the same process outlined in the paper, using GIMP to simplify images, paste into Word, and add textboxes with braille font to the images, and then embossed. It was probably 5-10 minutes of effort for a basic graph, and we were doing the work for entire math and chemistry books. This would have saved so much time for us!
We also had to figure out how to represent electron clouds. Some could be done as 2-D representations, but eventually 3-D was required. We created a plugin for Blender which would import a MacMolPlt save file, generate the structure for the molecule (coordinates for each atom, bond types connecting the atoms), and a point cloud for the electron cloud. Each column of the periodic table was a different shape, each row was a different scale. It worked pretty well, and generating STL files was automated.
The program is somewhere on my hard drive not available publicly and probably technically owned by Iowa State or the federal government, whether they know it or not. I'm curious how much it'd take to get out running on a current version of Blender.
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