On Wed, Jun 14, 2017 at 07:42:44AM +0100, Rod Smallwood via cctalk wrote: [...] > However with modern technology there has to be a multi-pass printer that can > print on perspex (plexiglass) and closely simulate silk screening
This is perhaps an obvious question, but have you asked a professional printer for advice? They are likely to offer to silk-screen onto Perspex for you at a price and quality you're unlikely to manage yourself.