#$%^&*AU2016100983A420160728.pdf#####ABSTRACT A sealing device for fitting to a sleep apnea mask to abut a wearer's facial skin is provided where adapted to the contours of the individual wearer's face. The invention includes a method of fabrication of a seal customised through using multiple face images captured from a plurality of angles and rendered to generate a three-dimensional representation of the area of the face to be printed. The process includes using the representation to form a mould and moulding with it a seal customised for the individual's face and mask.SHEET 1 OF 3 34 32 (a) 38 32 -- (b) FIGURE 2