AirFit N30i Frame Extension

thingiverse

!! CAUTION - I do not know if this is safe to use overtime, I have used once for testing purposes !! I have a fat head... My ResMed AirFit N30i's frame is the "standard" size, which is the biggest they get and it is too tight from my nose to the top of my head (the straps behind the head fit fine). While I cant extend the frame vertically, I found I could realize pressure horizontally enough so to fit, what feels like, perfectly. This piece has a 10mm deep female end that attaches to the nose piece, and a 10mm long male end to nest into the frame, with 6mm of extension between the two joints. There is a slight spherical taper on the inside where the wider female end meets the narrower male end of structural integrity.