Similar to the figures in this 3Blue1Brown video, I would like to create a basic figure of a multilayer perceptron (neural network).
I wrote an in-browser tool for this: NN-SVG. Choose from FCNN layout, LeNet layout, and AlexNet layout.
Grant Sanderson a.k.a. 3Blue1Brown writes his own code to produce the figures he presents in his videos. The code is available at https://github.com/3b1b/manim and you may find the code for the neural network figures in https://github.com/3b1b/manim/tree/master/old_projects/nn
Also: How to draw Deep learning network architecture diagrams?