If you bend it too tight you will get compression and buckling effects, the best approach is to source the thinnest and most flexible zipper and my hunch is that you could reach a radius below, say, 5 mm.
If you bend it too tight you will get compression and buckling effects, the best approach is to source the thinnest and most flexible zipper and my hunch is that you could reach a radius below, say, 5 mm.