I work as a theatrical scenic artist, and prior to Robb's accident so did he (in between acting gigs). As a scenic artist, I am responsible for all the surface treatments on stage scenery and props.
The designer provides a model, and paint information, like this:
And the carpenters and scenic artists make something like this:
The colors are a little "off" in both photographs. If we did our work correctly, these should be a perfect match. Pretty cool, huh?
For a closer look at this process, click here.