The ever-growing population and with rising energy and land consumption continues according to the trend of recent years. Resource consumption per capita compensated, to some extent technical progress in equipment and construction technology. New thinking and behaviors are necessary for establishing a sustainable resource management. We strive for with our idea of the parts and swap to conserve resources and to use land efficiently. In our concept of living rooms are shared and created to replace a platform to objects and to use flexible mobility. The base is us, the concept of co-operative which is firmly anchored in Switzerland for decades and focuses on the principle of mutual benefit.