Here are the guidelines for the #Rhupunt:
The form can be broken down into lines or stanzas
Each line or stanza contains 3 to 5 sections
Each section has 4 syllables
All but the final section rhyme with each other
The final section of each line or stanza rhymes with the final section of the other lines or stanzas
Helpful Links
https://www.writersdigest.com/write-better-poetry/rhupunt-poetic-form
https://classicalpoets.org/2017/03/23/how-to-write-a-rhupunt-with-example/#/