Belated thanks to FiachraIR for creating and uploading the CIE Park Royal stock, which I just spotted on the DLS. Great inspiration to attempt another Irish project, be it model or prototype.
Edit: Slight postscript. Constructive feedback - having downloaded and placed stock on a layout, just wondered why the windows are blacked out? Looks a bit... odd. Not expecting a passenger view but would have been nice to see an interior and if that not possible I would still rather have transparent windows!