Thanks Tom!

I'm so into paper and film these days I didn't even think of digital inverted solargraphs or inverted paper negatives!

I actually spent a few days last year trying to make analog inverted solargraphs: I made a pinhole copy of a solargraph on instant color film, then bleached the negative and projected it through an enlarger onto another piece of instant color film. Not much luck ( the negative has a strong blue/purple cast ) but the "internegative" was pretty interesting!