Dux Centre Flush Toilet Cistern - Bezel surrounding flush buttons in lid (parameterised)

This bezel goes around the twin flush buttons in the lid of the cistern.

Somehow it can be flushed down the toilet if you are saddled with a sufficiently talented family

http://www.dux.co.nz/bathroom/dux-cisterns-and-pan-pacs

printed in ABS, 6.7g . Used 0.25mm layers, as the curved top is very poor otherwise
A dab of silicon rubber or holtmelt glue will stop it falling out like the original one did