Formlabs is a leading manufacturer of high-quality 3D printer, with its popular Form1 + and Form2 3D printers known to the world, in addition they also develop and produce resin material.
After releasing its latest white resin material, their engineer Brian Chan decided to use this improved new material combined with advanced design tools and 3D printing to create a full-featured acoustic violin. Upon completion, they invited a unique and modern violinist, Rhett Price, to play and record a video for Price. Price can play almost any kind of violin and is very popular with listeners. He is very excited to see that his beloved instrument is made with this new technology. "I played the violin for 23 years and now I am very happy to play with such a modern violin. The sound quality of this violin designed by Brian is unexpectedly good, and the 3D printing technology is amazing."
Brian pointed out that the acoustic violin relies on itself to provide perfect sound without the aid of loudspeakers, filters and other tools. Therefore, it must have a complete sound, shape, structure and materials to form a perfect whole. Brian has been trying to make violins with more traditional methods. “The violin's appearance is highly recognizable, and although it has been around for centuries, its design has barely changed,†Brian said. More traditional violins have a hollow outer shell whose panels are usually made of spruce. Without changing the traditional design, Brain wants to create a 3D printed version of the violin.
He drew a sketch first and then used Onshape to define the structure of the violin. Onshape is a fully cloud-based 3D system that provides powerful modeling capabilities for users and design teams. After modeling, Brain uses their Form2 3D printer to print the white, black, and tough (White, Black, Tough) resins. He pointed out that the strength of the violin comes from all directions and requires great support. The SLA components are isotropic and therefore provide the strength and stability needed for the violin. “Violin complex geometries require tight tolerances, and Form 2 enables consistent printing,†says Brain.
Brain follows the basic outline of the Stradivarius, which gives the violin a good functionality. Because of the constant improvement of the design, Brain actually produced five 3D printed violins.
The first 3D printed violin proved the feasibility of the design and the violin. On this basis, through repeated iterations, Brain continued to further improve the violin. Whenever he finds a place to modify, Brain doesn't have to go to a third person to recreate an expensive new violin. He just needs to modify the design and print it again. This is one of the biggest benefits of 3D printing. In the main three iterations, Brain handles some common problems, such as dumb sounds, distortion under string tension, weak fingerboards, and the violin is too heavy.
The final design consists of 26 detachable parts with carbon fiber struts inside. The panel becomes thinner, which solves the problem of mute, making the sound louder and clearer. The head and neck were greatly enhanced, and more hollowing out of the two areas was carried out, which reduced the weight of the violin. In the test, the violin has a great improvement in sound, weight and comfort. It doesn't take much time to print the whole violin. "It takes 4 or 5 nights to print out," Brain said. Currently, this is the final version of Brain.
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