"Pacioccò is an armchair in solid ash wood. The assembly of the structure is completely without screws, nails or glue... The sitting is suspended, to emulate the thrill you get when you relax in a hammock..." Project by Punto Soave, Bassano del Grappa, Italy. Click through to see another photo.
This is a very nice set of beds (I hesitate to call them bunk beds!) that would work well in a loft situation. The narrow steep steps to the upper bed could also access the entire loft space with little loss of floor space.