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Validation of an effective, low cost, Free/open access 3D-printed stethoscope

Fig 1

Computer aided design and assembly of the 3D printed stethoscope.

Digital models of the 3D printed stethoscope parts are shown in Fig 1A. From left to right: the head, Y piece and ear tube are shown. An earplug mold design is also shown in Fig 1B. Each part was 3D printed in ABS, with the assembled stethoscope is shown in Fig 1C using the bill of materials listed in Table 1.

Fig 1