3D printing "Smart" interactive instrument

Friends may often see someone using 3D printing technology to design some rather exotic instruments, such as a Yale student using beer bottles and 3D printing parts to make keyboard music. But this time, California-based artist Matt Pearson took a more natural approach, using 3D printing technology to turn the gourd into a very straightforward instrument, even though it doesn't contain any strings, buttons and buttons, but you Just hold the gourd a little or move a little, it will produce music.

Matt Pearson and his team have been working on this project since March of this year, and our goal is to pursue a music that is as life-like as it can interact with. “Our festivals are changing. The public spaces such as concerts, museum exhibitions, stage plays, etc. are becoming more interactive, and the audience is influenced by the Internet, looking forward to having a choice in the activities they participate in. Right (eg, on-demand TV, games, immersive devices, etc.). For active audiences, these gourds work with them to create music, which is a very special instrument." He wrote on his own web page. .

On the other hand, the gourd was first used by humans as a musical instrument. Used as a container or instrument as early as 10,000 years ago. Matt and his team brought it back to the contemporary world this time. “Hulu is the oldest form of musical instrument. Traditionally, they have been used as body sound instruments by many cultures around the world, that is, by vibrating by tapping or shaking. The dried gourd is a natural resonator that can amplify The sound produced by your own outer wall," they explained.

However, contrary to the primitive man shaking the rock-filled gourd, Matt's modern hoist instrument is completely dependent on your movements. “These digitized hoists are instruments that use motion data to control the parameters of digital sound. The hoist has a motion sensor that tracks the movement of the hoist; and a speaker that amplifies the digital music produced by the motion. This instrument can be picked up and played immediately even by non-musicians, which blurs the line between the audience and the performer," they explained. From elementary school students to the elderly, everyone can dance with a gourd and make a moving voice.

Originally, this hoist had only one accelerometer removed from the Wii controller. Matt added a 9-degree-of-freedom sensor, which combined a gyroscope, an accelerator, and a magnetic north sensor. These devices can transform the movement. For the sound. “To understand its exact location in 3D space, the sensor transmits data over a XBee network to a central computer running MaxMSP and Ableton Live software. The computer then sends the audio signal back via Bluetooth. The gourd is like any commercially available wireless speaker,” Matt said. “This setup makes any movement of the gourd produce a sound output. We hope that this will inspire the player's curiosity to explore the deeper capabilities of the gourd. ”

In order to achieve such a music gourd, Matt used 3D scanning and 3D printing to create a unique gourd cover for each gourd. "The part of the gourd that was dug up was set up by our algorithm-generated 3D printing parts," they explained. In fact, each gourd includes two 3D printed parts, one is a grid that conforms to the shape of the gourd, and the outer casing of the speaker.

The end result is such a very exotic instrument you see in videos and pictures. This instrument will be very eye-catching at any music festival. After all, you don't need any musical talent to play it! Matt and his team are currently developing an interesting networking feature or combining different actions into a single sound. “This will enable more people to have a happy experience of collectively creating music,” he said.

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