First weâll need to hem one edge of the fabric width. This will form part of the fold that we tuck our pillow into. Take your pillowcase back piece and press over a 3/8â fold on one side of the width of the fabric. Now fold it over the same again and press flat (right photo below).
OpenAL (Open Audio Library) is a cross-platform audio application programming interface (API). It is designed for efficient rendering of multichannel three-dimensional positional audio. Its API style and conventions deliberately resemble those of OpenGL.
Open architecture. Not to be confused with Open-source architecture. Open architecture is a type of computer architecture or software architecture that is designed to make adding, upgrading and swapping components easy. For example, the IBM PC and Apple IIe have an open architecture supporting plug-in cards, whereas the Apple IIc and Amiga 500 computers have a closed architecture.