Appending to arrays of arrays

Have it even worked for you?! What exactly you haven’t understood? :question:
Some online references I’ve used in my sample sketch: :nerd_face:

  1. Docs.Oracle.com/javase/10/docs/api/java/util/Arrays.html#fill(float[],float)
  2. Processing.org/reference/join_.html
  3. Processing.org/reference/for.html
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