Fig. 7

A. Preterm 3D printed neonatal face. Digitally the solid face bodies were use as a digital “cutting tool” to contour the reaward potion of the CPAP insert. B, “Concept design” of nCPAP mask design with 2 parts forward part to mate proprietary nCPAP connection and rear part to conform to the surface topography of each face while providing flat mating surface to forward part. C. Silicon molding process D. Proprietary neonatal CPAP mask (Hamilton infant XL) (left),2- part molded CPAP mask (risk and below)