PUN: https://medium.com/@carrillouriel/unity-multiplayer-tutorial-using-photon-pun-fa6f86e44c44
Fusion: Paid markup tool - https://doc.photonengine.com/fusion/current/industries-samples/industries-addons/fusion-industries-addons-3d-2d-drawing Drawing - https://www.youtube.com/watch?v=O94qz9TXOWw