Original tutorial: https://www.youtube.com/watch?v=N5Hs2A-i34U&t=1s&ab_channel=%E6%9B%B8%E9%81%93%E5%AE%B6%E6%9D%B1%E5%AE%AE%E3%81%9F%E3%81%8F%E3%81%BF
Found via reddit: https://www.reddit.com/r/oddlysatisfying/comments/wlpvj5/writing_a_dog_alphabet_i_think_q_is_my_favorite/