# Baravelle Spirals kinetic curtain panel

I, want do design Baravelle Spirals kinetic curtain panel to apply on my thesis project , i am not able how to proceed with this. can any anyone help me how can i design this type panel or how can i start ?

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Well geometrically it looks fairly simple. What exactly do you struggle with?
What have you tried? Is it a Dynamo specific question?

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Fractions connect to the spiral in the square. Following equation, gives us the area of the spiral:

We can also rewrite this equation in notation form

This will inform us of the necessary information we need to be able to find the next set of triangles we create. n represents the number of times we used the midpoints to create another polygon inside.

I want to create this geometry mathematically on dyanmo and i want make open and close like camera shutter . Also organic and smooth like this bio Facade https://www.youtube.com/watch?v=P6RHFDgeFTA . is there any way i will be able to do this on dyanmo ?

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As Viktor said, the geometry should be pretty straight forward. Iâ€™ve already got something working in Python. The slightly more tricky part would be to get the shape to â€śopen and closeâ€ť.

Edit: Hereâ€™s a python option.

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You can get started with a bit of DS:

If you donâ€™t mind tinkering with custom nodes for a while, you can achieve something similar with the List.Scan and LoopWhile nodes.

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With nodes â€¦
20180321-2.dyn (12.2 KB)

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Almost the same as @Vikram_Subbaiah

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I was not able to crack the tricky part , so i dropped this idea.
thanks for quick response.

Thanks this was really helpful .

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Thanks, Dimitar Venkov