Hi. As I promised, I'm back with a new application of babylonjs.
Without any presentations a 3D scatterplot
https://www.smarteam3d.com/portfolio/3DScatterPlot.html
And here is the playground version:
https://www.babylonjs-playground.com/#E3XJMU#26
And here is a very basic example how to do your own 3D grid to draw your own scatterplot.
https://playground.babylonjs.com/#AFGPGD#1
PS: It's not fully optimized, and I'm sure it can be done better, but it's a begining.