Ressources in use: yellow2 instruction: http://replicatio.science/~khk/legoag/robot.html
ev3dev OS: https://www.ev3dev.org/ (alternative OS for ev3 brick)
leoCAD: https://www.leocad.org/ (CAD modelling)
LPub3D: https://trevorsandy.github.io/lpub3d/ (instruction making)