Work in progress, please tell us any errors https://docs.google.com/spreadsheets/d/1eNbgQ2HAe7iDxFRou1gHZOtjP1PLiPEpZYigivr-bK0/edit?usp=sharing Frame size selector https://docs.google.com/spreadsheets/d/1eNbgQ2HAe7iDxFRou1gHZOtjP1PLiPEpZYigivr-bK0/edit#gid=0