Draw images and words in falling water
The Base42 team, which is part of the hacking community Tecnoateneu Vilablareix, has created a stunning water curtain with the help of 3D printing and Arduino. The installation, currently on display at the Temps de Flors flower show in Girona, uses 128 3D-printed nozzles and 64 3D-printed valves to dispense water in floral patterns.
The water curtain employs four Arduino Nanos to control the valves, which work in pairs to draw the flowers, words or other images. Meanwhile, an Arduino Mega provides a Wi-Fi connection to issue commands.
In terms of its mechanics, a tank at the base holds 500 liters of water, while a pump pushes that water to the top of the system at a rate of 80 liters per minute. From there, the water passes down through the 3D-printed nozzles, forming what appears as a 3m x 2m fluid screen. To create different patterns in the curtain, the nozzles can quickly adjust the direction of the water to one of two nozzles in a pair.
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