Have you ever seen these bigger sheds, barns, garden office, tuff sheds at home depot? have you ever wondered if a prefabricated (or pre-fab) building be made into a tiny house?. Tuff shed home in texas. now, if i could just find some land! tuff sheds don’t have plans for sale, but here’s a company that sells tiny and small house plans: tiny house design’s pioneer cabin – 16 x 20 tiny house design’s pioneer cabin house plan: $9.95. Most people are familiar with tuff shed's storage sheds and garages, but now the 30-year-old company is designing and manufacturing structures that could be used a tiny homes. tuff shed's speciality structures come in a modern style and a weekender style and each of them feature several different sizes (including custom sizes) and options..