This would seem to be a great candidate for addition to our 3D printing object list.
Without trying to present myself as an expert on 3D printing, I'll add a technical comment. The two most common types of 3D printing are FDM (Fused Deposition Modeling), which extrudes a melted filament in noticeable layers, and SLA (Stereolithography), which uses laser beams in a liquid resin to produce very fine prints. I think a black SLA resin that had good strength and good UV resistance could produce a perfect replacement lever.
-David