Is it possible to change the background color??

[KiWiGiW]

I've been searching on the viewer file and found some interesting methods to use like viewer.viewFit([id]), but I could not foudn nothing to change the background color.

[aothms]

iirc the clearColor is transparent https://github.com/opensourceBIM/BIMsurfer/blob/master/viewer/viewer.js#L577 Not sure if this is properly propagated to a transparent html . If so, you can probably just set the background color using CSS.