Bug layer material won't show up (latest build)

As you might see here. default settings.

If you select the coloured surface (would lie slightly over the overall polysurface) would disappear if you zoom in or out
Arabic Bench 003.3dm (2.7 MB)

Hi Hannes - I’m not seeing this here so far - does it help at all to reset the views (4View command, twice in a row)