There is a similar problem, "Lebesgue’s Universal Covering Problem", also unsolved: https://golem.ph.utexas.edu/category/2015/02/lebesgues_universal_covering_p

There is a similar problem, "Lebesgue’s Universal Covering Problem", also unsolved: https://golem.ph.utexas.edu/category/2015/02/lebesgues_universal_covering_p.html https://golem.ph.utexas.edu/category/2015/02/lebesgues_unive... I wonder if the maths is related at all.