Figure 3
Practitioner’s face scan (a) and one test face design with added holes in the nose and mouth (b,c). A tube system and an adaptor were designed and printed for connection to the pump (d–f).
Figure 3 | Scientific Reports
Practitioner’s face scan (a) and one test face design with added holes in the nose and mouth (b,c). A tube system and an adaptor were designed and printed for connection to the pump (d–f).
