Comparison of Rates of Air Leakage Due to Differences in Face Shape and Mask Size

World Journal of Nursing Research | Vol 4, Issue 1

Figure 2

Facial measurement using a 3D scanning device; This figure shows the process of measuring a facial model using a 3D measuring device; The facial model with the mask was measured from various angles to obtain the coordinate data.

Figure 2. Facial measurement using a 3D scanning device; This figure shows the process of measuring a facial model using a 3D measuring device; The facial model with the mask was measured from various angles to obtain the coordinate data.