>Mini-dome "personal" theatres are a nice idea. It is a middle ground between domes and some kinds of HMDs. Luc Courchese uses a sort of wearable doughnut projection concept for some of his panoramic video pieces. See "Living by Numbers"
> > > > I am think of a open of about 12cm or up to 26 cm
> > > > so its portable
> > >
> > > Either you're missing a 0 there, or we're talking *really* small.