Reminds me of a cabin I designed in school make it fit (how big does it really need to be, after all?): Casa Cher (Mar Azul, provincia de Buenos Aires, Argentina) by BAK Arquitectos.
Great Home office idea using a container
Completed in 2014 in Jesús María, Mexico. Images by Oscar Hernández. The project is designed in a single level because it is designed for disabled couples, single people, young or old.