4D Living Housing Unit by IDC Bombay

IIT-Bombay Industrial Design Centre (IDC) comes up with shared serviced homes

Dedensification will allow upward mobility. Resources will be shared. Ownership and rental are mixed. Housing is a product?, or a service? :-)
The Housing unit displays how spaces and facilities may be shared. T'is called 4D.
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"... After four years of planning and design, and visiting slums across the country, the centre came up with the two variants of 3D and 4D living spaces which are both affordable and sustainable.
The 3D home, designed by three IIT-B students, is fit for a family with stowaway couches, chairs and movable walls. ... their project allows people to make optimum use of every inch of the space. The idea can be incorporated to accommodate a family of six in a 100 sqft space, ..."
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Refer http://timesofindia.indiatimes.com/city/mumbai/IIT-B-centre-designs-affordable-shared-serviced-homes/articleshow/45916407.cms .