“…Path (Feilden et al, 2017;Wat et al, 2019a;Wilkerson et al, 2016) Freeform extrusion-based 3D printing (Feilden et al, 2017;Wat et al, 2019a;Wilkerson et al, 2016) Freeform digital light processing 3D printing (Hofer et al, 2021) High-temperature sintering (typically 1600 °C (Feilden et al, 2017;Le Ferrand and Bouville, 2019;Hofer et al, 2021) Sound-Related Properties Categories of Instruments. Musical instruments were classified following Sachs-Hornbostel: aerophones, membranophones, chordophones, and idiophones (Lee, 2019). Aerophones, membranophones, and chordophones produce sounds by the resonance in a cavity of the vibration of the air induced by blowing, a vibrating membrane, and a vibrating string, respectively.…”