Stair+ Project By Ali Farajmandi / Negar Hosseini
The approach in the stair+ project was to create a moving staircase. In our project the concept development started by designing a rotating staircase that the steps are going to be hidden in the wall and provide a more open space when it is not using. In the design process we designed two different joints with same mechanisms. To achieve this goal we had to design a joint that is rotating in two angles at the same time. There was several challenges in the development phase of our first design; So we continued working on our second idea that provided us two approaches to study and explore. In the first one staircase was dancing to be parallel to a wall holding it and the second one which we fully developed is supported in the floor and act as a wall, partition and a shader itself.
Documentations:
Assembly Process:
Moving Stages Diagram:
Final Result Photos:
Design Process
Joint No.01 [Rotating Cylinders]:
Our moving staircase project started with the idea of hiding the stairs inside a louver style wall. The first outcome in our design process is a joint containing two cylinders rotating and moving inside each other to make the stairs rotate and locate in the wall.
Joint No.02 – two approaches [Magnetic Rotating]:
The first design goal was to have the stairs as partitions when they are standing after the complete rotation and in the second idea the aim was to have the stairs retract by the wall after the complete transition.
The Dancing Stages [Idea No.01]:
Images of the way rotations happen in the first idea in which the staircase is locked to the ground and act as a partition when it is retracted and stands vertically.
The Dancing Stages [Idea No.02]:
Images of the two rotations happening at the same time and make the design either a staircase or a flat geometry next to the wall.
Exploded Diagram [Idea No.02]:
In the exploded diagram for the second approach, every single piece of the joint is shown by the order they are coming together to make the stair move. In this design the goal was to have the stair parallel by the wall when it is closed and provide some extra space.
tranSTUDIO 2023 
Hi Ali and Negar,
This project looks amazing! I love how you guys were able to find the way it works since me and Electra’s project Origami also has similar movement as this stair case and it was a lot of process and experimenting. The Rotating Cylinder GIF is super interesting, I am curious how that works inside! The picture under the sun is very beautiful!
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I want to thank you guys so much for sharing this project. First of all, I absolutely find the minimalistic shape of your stairs to be very intriguing. It just attracts your attention by how subtle and clean the overall shape of the stairs it is and with your professional execution, the model turned out magnificent. On top of the execution, was the assembly process and thought for the movement of the stairs; I think it is very unique approach. The movement had enough complexity and behind the kinetic approach is a well-planned out structure. It is truly the dancing stairs with such an artistic touch and development of movement.
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Thanks for sharing this beautiful project to us. I really like the movement of the staircase. It’s really response your name of the project. I think it is difficult to have two different joint to work with. I have the movement issue with the hinges with different size. It really struggle me a lot. And I really like your diagrams. Pretty clear.
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Hi, your models are so smooth. I didn’t realize this actual model turned out to be so big and the digital pictures look exquisite. Your diagrams are also very clear! Thanks for sharing your work!
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