Urdhvaga ( Deployable Staircase )

At my home there is no appropriate way to access the terrace, insted stool and table is used to reach the terrace. But the elder ones are not able to get on terrace easily, moreover it is quite difficult and risky. The intention was to design a deployable staircase for accessing the terrace. Initial intent towards design was to use straight scissor so different explorationg using angle was done. The basic idea was to undeploy the stairs manually.Click here for detailed portfolio